[ci] Run autosquash only on the Hue repo branches (#1904)

To avoid errors on PR on Forks:
https://github.com/tibdex/autosquash/issues/53

.github/workflows/autosquash.yml

@@ -21,6 +21,7 @@ jobs:
   autosquash:
     name: Autosquash
     runs-on: ubuntu-18.04
+    if: github.repository == 'cloudera/hue'
     steps:
       - uses: tibdex/autosquash@v2
         with: