Bump actions/checkout from 2 to 3 (#11764)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/check-supported-versions.yaml

@@ -21,7 +21,7 @@ jobs:
             flags: -am -pl modules/openapi-generator-cli
     steps:
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v2
@@ -79,7 +79,7 @@ jobs:
 #             flags: --skip-docs
     steps:
       - name: Check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Download build artifact
         uses: actions/download-artifact@v2.1.0
         with:

.github/workflows/gradle-test.yaml

@@ -33,7 +33,7 @@ jobs:
           - samples/openapi3/client/petstore/java/jersey2-java8
           - samples/client/petstore/java/okhttp-gson
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/openapi-generator.yaml

@@ -15,7 +15,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 8
         uses: actions/setup-java@v2
         with:
@@ -51,7 +51,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 8
         uses: actions/setup-java@v2
         with:
@@ -86,7 +86,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 8
         uses: actions/setup-java@v2
         with:
@@ -125,7 +125,7 @@ jobs:
       - build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 8
         uses: actions/setup-java@v2
         with:
@@ -160,7 +160,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:
@@ -193,7 +193,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK 11
         uses: actions/setup-java@v2
         with:

.github/workflows/samples-dart.yaml

@@ -17,7 +17,7 @@ jobs:
     name: Tests Dart 2.10
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'
@@ -50,7 +50,7 @@ jobs:
     name: Tests Dart 2.13
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-dotnet.yaml

@@ -22,7 +22,7 @@ jobs:
           - samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt
           - samples/server/petstore/aspnetcore-6.0
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-dotnet@v2
         with:
           dotnet-version: '6.0.x'

.github/workflows/samples-groovy.yaml

@@ -21,7 +21,7 @@ jobs:
         sample:
           - samples/client/petstore/groovy
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-java-client-jdk11.yaml

@@ -38,7 +38,7 @@ jobs:
           - samples/client/petstore/java/feign
           - samples/client/petstore/java/jersey1
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-java-play-framework.yaml

@@ -29,7 +29,7 @@ jobs:
           - samples/server/petstore/java-play-framework-no-swagger-ui
           - samples/server/petstore/java-play-framework-no-wrap-calls
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-jaxrs.yaml

@@ -41,7 +41,7 @@ jobs:
           - samples/server/petstore/jaxrs-cxf-cdi-default-value
           - samples/server/petstore/jaxrs-cxf-non-spring-app
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-kotlin-client.yaml

@@ -40,7 +40,7 @@ jobs:
           - samples/client/petstore/kotlin-uppercase-enum
           - samples/client/petstore/kotlin-array-simple-string
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-kotlin-server.yaml

@@ -30,7 +30,7 @@ jobs:
           # no build.gradle file
           #- samples/server/petstore/kotlin-vertx-modelMutable
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-scala.yaml

@@ -26,7 +26,7 @@ jobs:
           - samples/server/petstore/scalatra
           - samples/server/petstore/scala-finch # cannot be tested with jdk11
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/samples-spring.yaml

@@ -40,7 +40,7 @@ jobs:
           - samples/server/petstore/spring-boot-nullable-set
           - samples/server/petstore/spring-boot-defaultInterface-unhandledException
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-java@v2
         with:
           distribution: 'temurin'

.github/workflows/sonar.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository_owner == 'OpenAPITools' }}
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
       uses: actions/setup-java@v2
       with: