Add action to ensure that generated files are up-to-date

.github/workflows/ci.yml

@@ -101,9 +101,30 @@ jobs:
       - name: 🔍 Check Dependencies
         run: yarn install --immutable --immutable-cache --check-cache
 
+  gql-codegen:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18.13.0
+      - name: 📦 Install Dependencies
+        run: yarn install --immutable --immutable-cache
+      - name: 🗑️ Delete Generated Files
+        run: find . -type f -name "*.generated.ts" -delete
+      - name: 📈 Run GraphQL Codegen
+        uses: nick-fields/retry@v3
+        with:
+          command: yarn gql
+          timeout_minutes: 1
+          retry_wait_seconds: 60
+          max_attempts: 5
+      - name: 🔍 Check GraphQL Codegen Output
+        run: git diff --exit-code --name-only
+
   onesky-upload:
     runs-on: ubuntu-latest
-    needs: [test, eslint, typescript, prettier]
+    needs: [test, eslint, typescript, prettier, gql-codegen]
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - uses: actions/checkout@v3