Merge pull request #236 from k8s-infra-cherrypick-robot/cherry-pick-234-to-release-0.1

[release-0.1] Update golangci-lint from 1.43.0 to 1.48.0

Author: k8s-ci-robot

Makefile

@@ -92,7 +92,7 @@ bin/mockgen: | bin
 
 bin/golangci-lint: | bin
 	echo "Installing golangci-lint..."
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.43.0
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.48.0
 
 mockgen: bin/mockgen
 	./hack/update-gomock