TSK-1497: disabled sonarqube on release and specified tag

.github/workflows/continuous-integration.yml

@@ -5,7 +5,7 @@ on:
     branches-ignore:
       - dependabot/**
     tags:
-      - v*
+      - v[0-9]+\.[0-9]+\.[0-9]+
   pull_request:
     branches:
       - master
@@ -422,7 +422,8 @@ jobs:
   upload_to_sonar:
     runs-on: ubuntu-20.04
     name: Upload SonarQube analysis to sonarcloud
-    if: github.head_ref == '' # no pull request
+    # no pull request and not on release
+    if: github.head_ref == '' && !startsWith(github.ref, 'refs/tags')
     needs: [ test_frontend, test_backend, test_taskana-rest-spring-example-wildfly ]
     steps:
       - name: Git checkout