Create a feature branch for generated PR base

Author: sean-breen

.github/workflows/ci.yml

@@ -481,10 +481,11 @@ jobs:
         run: |
           git config --global user.name 'github-actions'
           git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
+          git checkout -b ${{ github.ref_name }}-update-profile
           git add default.pgo
           git commit -m "Update pgo profile -- CI Autogenerated" -- ${{ steps.artifact-upload-step.outputs.artifact-id }} || echo "No changes to commit"
           git log -1
-          git push
+          git push -u origin ${{ github.ref_name }}-update-profile
 
       - name: Open Pull Request
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
@@ -496,8 +497,8 @@ jobs:
               title: 'Update pgo profile',
               owner,
               repo,
-              head: '${{ github.ref_name }}',
-              base: 'main',
+              head: '${{ github.ref_name }}-update-profile',
+              base: '${{ github.ref_name }}',
               state: 'open'
             });
             if (pullRequests.length > 0) {