Skip license check test for dependabot

license update will be accomplished by https://github.com/kubernetes-sigs/cloud-provider-azure/blob/master/.github/workflows/update-vendor-license.yml

Author: MartinForReal

Makefile

@@ -317,7 +317,7 @@ ifdef JUNIT
 endif
 
 .PHONY: test-check
-test-check: test-boilerplate test-helm verify-vendor-licenses ## Run all static checks.
+test-check: test-boilerplate test-helm ## Run all static checks.
 
 .PHONY: lint
 lint: golangci-lint ## Run golangci-lint against code.