Bump actions/setup-dotnet from 3.0.3 to 3.1.0 (#15648)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](https://github.com/actions/setup-dotnet/compare/v3.0.3...v3.1.0)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/samples-dotnet-standard.yaml

@@ -19,7 +19,7 @@ jobs:
           - samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3.0.3
+      - uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: 3.1.*
       - name: Build

.github/workflows/samples-dotnet.yaml

@@ -41,7 +41,7 @@ jobs:
           - samples/server/petstore/aspnetcore-6.0-nullableReferenceTypes
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3.0.3
+      - uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: '7.0.x'
       - name: Build

.github/workflows/samples-dotnet6-client.yaml

@@ -67,7 +67,7 @@ jobs:
           - samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3.0.3
+      - uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: '6.0.x'
       - name: Build

.github/workflows/samples-dotnet6-server.yaml

@@ -31,7 +31,7 @@ jobs:
           - samples/server/petstore/aspnetcore-6.0-nullableReferenceTypes
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3.0.3
+      - uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: '6.0.x'
       - name: Build