ops: Deploy to Sonatype from master only for SNAPSHOT versions

Author: hartmut-co-uk

.github/workflows/build-gradle-project.yml

@@ -34,7 +34,7 @@ jobs:
           echo "current_version=${version}" >> $GITHUB_ENV
       # Only pushes to main and pushed tags trigger a publication to Sonatype OSS
       - name: Deploy to Sonatype OSS (maven central)
-        if: ${{ ((github.ref == 'refs/heads/main') && ("$VERSION" == *SNAPSHOT)) || (startsWith(github.ref, 'refs/tags/')) }}
+        if: ${{ ((github.ref == 'refs/heads/main') && (endsWith(env.current_version, '-SNAPSHOT'))) || (startsWith(github.ref, 'refs/tags/')) }}
         run: gradle publishToSonatype closeAndReleaseSonatypeStagingRepository
         env:
           VERSION: ${{ env.current_version }}