Fix SonarQube scan Java version mismatch

- Updated SonarQube action from kitabisa/sonarqube-action@v1.2.0 to sonarsource/sonarqube-scan-action@v4
- Official action uses Java 17, compatible with SonarQube 25.10
- Added sonar-project.properties with Terraform-specific exclusions
- Fixes: java.lang.UnsupportedClassVersionError (class file version 61.0 vs 55.0)

.gitea/workflows/sonarqube.yaml

@@ -17,7 +17,7 @@ jobs:
         # Disabling shallow clone is recommended for improving relevancy of reporting
         fetch-depth: 0
     - name: SonarQube Scan
-      uses: kitabisa/sonarqube-action@v1.2.0
-      with:
-        host: ${{ secrets.SONARQUBE_HOST }}
-        login: ${{ secrets.SONARQUBE_TOKEN }}
+      uses: sonarsource/sonarqube-scan-action@v4
+      env:
+        SONAR_HOST_URL: ${{ secrets.SONARQUBE_HOST }}
+        SONAR_TOKEN: ${{ secrets.SONARQUBE_TOKEN }}

sonar-project.properties

@@ -0,0 +1,13 @@
+# SonarQube Project Configuration
+sonar.projectKey=terraform-vsphere-resourcegroups
+sonar.projectName=Terraform vSphere Resource Groups
+sonar.projectVersion=1.0
+
+# Source code location
+sonar.sources=.
+
+# Exclusions
+sonar.exclusions=**/.terraform/**,**/*.tfstate,**/*.tfstate.backup,**/.gitea/**
+
+# Terraform specific settings
+sonar.sourceEncoding=UTF-8