Automation proc update

Author: dbookstaber

.github/workflows/sync-upstream.yml

@@ -98,6 +98,7 @@ jobs:
         with:
           token: ${{ env.PR_CREATE_TOKEN }}
           branch: ci/sync-upstream
+          base: ${{ github.event.repository.default_branch }}
           title: 'Sync from upstream with transformations'
           body: |
             This PR was created automatically by the Sync Upstream workflow.
@@ -114,6 +115,7 @@ jobs:
         uses: peter-evans/create-pull-request@v6
         with:
           branch: ci/sync-upstream
+          base: ${{ github.event.repository.default_branch }}
           title: 'Sync from upstream with transformations'
           body: |
             This PR was created automatically by the Sync Upstream workflow.