feat: release readiness check

Author: 0marperez

.github/workflows/release-readiness.yml

@@ -0,0 +1,30 @@
+name: Release readiness (snapshot dependency)
+
+# Makes sure that we aren't relying on SNAPSHOT/dev versions of smithy-kotlin before merging
+# Otherwise we could forget because the rest of CI is masking it
+
+on:
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  release-readiness:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Configure Gradle
+        uses: awslabs/aws-kotlin-repo-tools/.github/actions/configure-gradle@main
+
+      - name: Configure error message
+        run: echo "ERROR_MESSAGE=WARNING smithy-kotlin release and version bump might be required before merging!" >> $GITHUB_ENV
+
+      - name: Build SDK
+        run: ./gradlew test jvmTest || echo $ERROR_MESSAGE
+
+      - name: Build SDK client
+        run: |
+          ./gradlew -Paws.services=s3 -Paws.kotlin.native=false bootstrap || echo $ERROR_MESSAGE
+          ./gradlew build || echo $ERROR_MESSAGE