Test metadata collection in Bors CI workflow

Author: xFrednet

.github/workflows/clippy_bors.yml

@@ -143,6 +143,10 @@ jobs:
       env:
         OS: ${{ runner.os }}
 
+    - name: Test metadata collection
+      if: runner.os == 'Linux'
+      run: cargo metadata-collection
+
   integration_build:
     needs: changelog
     runs-on: ubuntu-latest