chore: Fix auto-update job (box/box-codegen#856) (#1477)

Author: box-sdk-build

.codegen.json

@@ -1 +1 @@
-{ "engineHash": "10c68c7", "specHash": "62fdfd1", "version": "10.0.0" }
+{ "engineHash": "9334953", "specHash": "62fdfd1", "version": "10.0.0" }

.github/workflows/autoupdate-pr.yml

@@ -4,7 +4,6 @@ on:
     branches:
       - main
       - sdk-gen
-      - combined-sdk
 
 jobs:
   update_pull_requests:
@@ -26,7 +25,7 @@ jobs:
 
       - name: Auto update pull requests
         run: |
-          PR_LIST=$(curl -s -H "Authorization: Bearer ${{ secrets.DISPATCH_ACCESS_TOKEN }}" "https://api.github.com/repos/$GITHUB_REPOSITORY/pulls?state=open&head=${{ github.ref_name }}" | jq -r '.[] | .head.ref')
+          PR_LIST=$(curl -s -H "Authorization: Bearer ${{ secrets.DISPATCH_ACCESS_TOKEN }}" "https://api.github.com/repos/$GITHUB_REPOSITORY/pulls?state=open&base=${{ github.ref_name }}" | jq -r '.[] | .head.ref')
           for pr_branch in $PR_LIST; do
             git checkout "$pr_branch"
             if git merge origin/${{ github.ref_name }}; then