Add job to check proto generation

This commit adds an additional github actions job that ensures any changes to the
protobuf definitions have been generated and committed.

Signed-off-by: David Bond <davidsbond93@gmail.com>

Author: davidsbond

.github/workflows/go.yml

@@ -34,3 +34,23 @@ jobs:
 
       - name: Run tests
         run: make test
+
+  generate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Run tests
+        run: make generate
+
+      - name: Check changes
+        run: |
+          git add .
+          git diff --staged --exit-code

Makefile

@@ -3,3 +3,6 @@ test: test-plugin
 
 test-plugin:
 	go build ./testdata/test_plugin
+
+generate:
+	go generate ./...