Enhance workFlow to add git mod tidy (#458)

Signed-off-by: kruthika04 <km80974@usc.edu>

.github/workflows/test-on-push.yaml

@@ -52,3 +52,6 @@ jobs:
           version: ${{ env.GOLANGCILINT_VER }}
           skip-cache: true
           args: --timeout=10m0s
+
+      - name: Run go mod tidy check diff
+        run: make modtidy check-diff

.github/workflows/validate_examples.yaml

@@ -41,6 +41,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install mechanical-markdown
+      - name: Run go mod tidy check diff
+        run: make modtidy check-diff
       - name: Set up Dapr CLI
         run: wget -q ${{ env.DAPR_INSTALL_URL }} -O - | /bin/bash -s ${{ env.DAPR_CLI_VER }}
       - name: Set up Go ${{ env.GOVER }}

Makefile

@@ -48,3 +48,12 @@ clean: ## Cleans go and generated files in ./dapr/proto/
 help: ## Display available commands
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk \
 		'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: check-diff
+check-diff:
+	git diff --exit-code ./go.mod # check no changes
+	git diff --exit-code ./go.sum # check no changes
+
+.PHONY: modtidy
+modtidy:
+	go mod tidy