Add github action to ensure that non-client generated functions are up to date

Signed-off-by: Anish Asthana <[email protected]>

Author: anishasthana

.github/workflows/verify_generated_functions.yaml

@@ -0,0 +1,20 @@
+name: Verify that generated (non-client) code is up to date
+on:
+  push:
+    branches:
+      - '**'
+    paths:
+      - '**.go'
+    tags-ignore:
+      - 'v*'
+  pull_request:
+    paths:
+      - '**.go'
+jobs:
+  verify-generated-functions:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Verify that the DeepCopy, DeepCopyInto, and DeepCopyObject method implementations have been generated
+      run: make generate && git diff --exit-code