[C][Client] Add github action to test c client sample build (#15922)

.github/workflows/samples-c-libcurl-client.yaml

@@ -0,0 +1,27 @@
+name: Samples c libcurl client
+
+on:
+  push:
+    paths:
+      - 'samples/client/petstore/c/**'
+  pull_request:
+    paths:
+      - 'samples/client/petstore/c/**'
+
+jobs:
+  build:
+    name: Build c libcurl client
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Prepare
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libssl-dev libcurl4-openssl-dev
+      - name: Build
+        working-directory: "samples/client/petstore/c"
+        run: |
+          mkdir build
+          cd build
+          cmake ..
+          make