gha: bump golangci-lint to v2.5

Signed-off-by: Aleksa Sarai <[email protected]>

Author: cyphar

.github/workflows/ci.yml

@@ -58,7 +58,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.1
+          version: v2.5
 
   test-build:
     strategy: