Change app-id to client-id

Author: xuwei-k

.github/workflows/scala-steward.yml

@@ -14,7 +14,7 @@ jobs:
       id: generate_token
       uses: actions/create-github-app-token@1b10c78c7865c340bc4f6099eb2f838309f1e8c3 # v3.1.1
       with:
-        app-id: 89698
+        client-id: 89698
         private-key: ${{ secrets.UNFILTERED_APP_KEY }}
     - name: Launch Scala Steward
       uses: scala-steward-org/scala-steward-action@026472ebc0e1f80577b240b249e3dc1494e7041b # v2.86.0