Adds tFatal custom govet check (#13886)

Automatic Merge

Makefile

@@ -496,10 +496,10 @@ vet: ## Run mattermost go vet specific checks
 		exit 1; \
 	fi; \
 
-	$(GO) vet -vettool=$(GOBIN)/mattermost-govet -license -structuredLogging -inconsistentReceiverName ./...
+	$(GO) vet -vettool=$(GOBIN)/mattermost-govet -license -structuredLogging -inconsistentReceiverName -tFatal ./...
 ifeq ($(BUILD_ENTERPRISE_READY),true)
 ifneq ($(MM_NO_ENTERPRISE_LINT),true)
-	$(GO) vet -vettool=$(GOBIN)/mattermost-govet -enterpriseLicense -structuredLogging ./enterprise/...
+	$(GO) vet -vettool=$(GOBIN)/mattermost-govet -enterpriseLicense -structuredLogging -tFatal ./enterprise/...
 endif
 endif