Bump SonarSource/sonarqube-scan-action from 7 to 8 (#16)

Bumps [SonarSource/sonarqube-scan-action](https://github.com/sonarsource/sonarqube-scan-action) from 7 to 8.
- [Release notes](https://github.com/sonarsource/sonarqube-scan-action/releases)
- [Commits](SonarSource/sonarqube-scan-action@v7...v8)

---
updated-dependencies:
- dependency-name: SonarSource/sonarqube-scan-action
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/php-ci.yml

@@ -81,7 +81,7 @@ jobs:
         XDEBUG_MODE: coverage
 
     - name: SonarCloud Scan
-      uses: SonarSource/sonarqube-scan-action@v7
+      uses: SonarSource/sonarqube-scan-action@v8
       env:
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}