fix: update sonar.yaml workflow to use golangci-lint-action v8

- Update golangci-lint-action from v6 to v8 in SonarCloud workflow
- Update golangci-lint version from v2.1.1 to v2.1.6
- Fixes SonarCloud CI failure due to incompatible action version

Author: rohenaz

.github/workflows/sonar.yaml

@@ -13,7 +13,7 @@ permissions:
 
 env:
   GO_VERSION: '1.24'
-  GOLANGCI_LINT_VERSION: v2.1.1
+  GOLANGCI_LINT_VERSION: v2.1.6
 
 jobs:
   sonarcloud:
@@ -41,7 +41,7 @@ jobs:
 
       # Re-run golangci separately without exiting on errors and generating a report for use in Sonar
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
         with:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
           args: --timeout=5m --issues-exit-code=0 --out-format=checkstyle:golangci-lint-report.xml