chore(docs): added step for outdated doc items check

Author: NikGurev

.github/workflows/actions/build-docs/action.yml

@@ -3,6 +3,20 @@ description: Common setup steps used by our workflows
 runs:
   using: composite
   steps:
+    - name: Check Documentation Items TTL
+      id: check_doc_items
+      shell: bash
+      run: yarn run docs:check-outdated-doc-items
+      continue-on-error: true
+
+    - name: Check for errors
+      shell: bash
+      run: |
+        if [[ "${{ steps.check_doc_items.outcome }}" == "failure" ]]; then
+          echo "::warning file=check-outdated.ts,title=Found outdated documentation item::Please review apps/docs/src/app/services/docs-metadata.ts and remove."
+          exit 0
+        fi
+
     - name: Build Documentation
       shell: bash
       run: |