Codex auto-update 6 (wip)

Author: ishulgin

.github/workflows/codex-update.yml

@@ -69,10 +69,10 @@ jobs:
         uses: actions/create-github-app-token@v1
         with:
           app-id: ${{ vars.GH_APP_ID }}
-          private-key: ${{ secrets.GH_APP_TOKEN }}
+          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
 
       - name: Create PR
         env:
           GH_TOKEN: ${{ steps.app-token.outputs.token }}
         run: |
-          gh pr create --title "Update codex to ${{ needs.check.outputs.version }}" --body "Automated codex update" --label "codex-update"
+          gh pr create --base main --title "Update codex to ${{ needs.check.outputs.version }}" --body "Automated codex update" --label "codex-update"