Minor fix to Github Action wrt publish snapshot: avoid calling multiple times

Author: cowtowncoder

.github/workflows/main.yml

@@ -49,7 +49,7 @@ jobs:
       id: projectVersion
       run: echo ::set-output name=version::$(./mvnw org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate -DforceStdout -Dexpression=project.version -q)
     - name: Deploy snapshot
-      if: github.event_name != 'pull_request' && matrix.java_version == '8' && endsWith(steps.projectVersion.outputs.version, '-SNAPSHOT')
+      if: github.event_name != 'pull_request' && matrix.java_version == '8' && matrix.kotlin_version == '1.6.21' && endsWith(steps.projectVersion.outputs.version, '-SNAPSHOT')
       env:
         CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
         CI_DEPLOY_PASSWORD: ${{ secrets.CI_DEPLOY_PASSWORD }}