fix(ci): use golangci-lint v2.9.0 for Go 1.25 compatibility

Author: Saveliy Yudin

.github/workflows/ci.yml

@@ -43,4 +43,4 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: latest
+          version: v2.9.0