chore: switch CI to golangci/golangci-lint-action@v2 (argoproj#259)

Signed-off-by: Alexander Matyushentsev <[email protected]>

Author: Alexander Matyushentsev

.github/workflows/ci.yaml

@@ -23,11 +23,11 @@ jobs:
         with:
           go-version: '1.15.6'
       - run: make test
-      - uses: actions-contrib/golangci-lint@v1
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v2
         with:
-          args: run --timeout=5m
-        env:
-          GOROOT: ""
+          version: v1.38.0
+          args: --timeout 5m
       - uses: codecov/[email protected]
         with:
           token: ${{ secrets.CODECOV_TOKEN }} #required

pkg/sync/sync_context.go

@@ -775,7 +775,6 @@ func isNamespaceWithName(res *unstructured.Unstructured, ns string) bool {
 
 func isNamespaceKind(res *unstructured.Unstructured) bool {
 	return res != nil &&
-		res.GetObjectKind() != nil &&
 		res.GetObjectKind().GroupVersionKind().Group == "" &&
 		res.GetKind() == kube.NamespaceKind
 }