[Internal] Add workflow to validate NEXT_CHANGELO.go updates

.github/workflows/next-changelog.yml

@@ -0,0 +1,27 @@
+name: Check for NEXT_CHANGELOG.go Changes
+
+on:
+  pull_request:
+
+jobs:
+  check-next-changelog:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Filter paths to check for NEXT_CHANGELOG.go
+        uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          filters: |
+            next_changelog:
+              - 'NEXT_CHANGELOG.go'
+
+      - name: Fail if NEXT_CHANGELOG.go has not changed
+        run: |
+          if [[ "${{ steps.filter.outputs.next_changelog }}" != "true" ]]; then
+            echo "Error: No NEXT_CHANGELOG.go file changed in this PR."
+            exit 1
+          fi