github action: golangci-lint v2.8 (#1324)

Signed-off-by: Angelo De Caro <adc@zurich.ibm.com>

Author: adecaro

.github/workflows/golangci-lint.yml

@@ -27,5 +27,5 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.1
+          version: v2.8
           args: --timeout=30m