build(deps): bump SonarSource/sonarqube-scan-action from 4.1.0 to 4.2.1

Bumps [SonarSource/sonarqube-scan-action](https://github.com/sonarsource/sonarqube-scan-action) from 4.1.0 to 4.2.1.
- [Release notes](https://github.com/sonarsource/sonarqube-scan-action/releases)
- [Commits](SonarSource/sonarqube-scan-action@v4.1.0...v4.2.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test-external.yml

@@ -21,7 +21,7 @@ jobs:
           go-version-file: go.mod
       - run: "make verify"
       - run: "make test"
-      - uses: SonarSource/sonarqube-scan-action@v4.1.0
+      - uses: SonarSource/sonarqube-scan-action@v4.2.1
         with:
          args: >
            -Dsonar.pullrequest.key=${{ github.event.pull_request.number }}

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
           go-version-file: go.mod
       - run: "make verify"
       - run: "make test"
-      - uses: SonarSource/sonarqube-scan-action@v4.1.0
+      - uses: SonarSource/sonarqube-scan-action@v4.2.1
         if: ${{ github.event_name == 'push' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}