fix: pin SonarCloud scan action version

Replace the floating SonarSource/sonarqube-scan-action master reference with the latest released v7.0.0 tag in PR and push workflows.

Author: d3rky

.github/workflows/pull-request.yml

@@ -37,7 +37,7 @@ jobs:
       run: make check-all
 
     - name: "Run SonarCloud Scan"
-      uses: SonarSource/sonarqube-scan-action@master
+      uses: SonarSource/sonarqube-scan-action@v7.0.0
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

.github/workflows/push-release-branch.yml

@@ -48,7 +48,7 @@ jobs:
         RP_LAUNCH_ATTR: ref:${{ github.ref }} event_name:${{ github.event_name }}
 
     - name: "Run SonarCloud Scan"
-      uses: SonarSource/sonarqube-scan-action@master
+      uses: SonarSource/sonarqube-scan-action@v7.0.0
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}