Update linting.yml

Signed-off-by: Stefan Zimmermann <user@zimmermann.co>

Author: userzimmermann

.github/workflows/linting.yml

@@ -20,7 +20,7 @@ jobs:
         go-version: 1.25.1
 
     - name: Install & run golangci-lint
-      uses: golangci/golangci-lint-action@v8
+      uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8
       with:
         version: latest
         install-mode: "goinstall"