👷 Tweak branch name check

Author: tiangolo

.github/workflows/deploy-docs.yml

@@ -62,7 +62,7 @@ jobs:
         id: deploy
         env:
           PROJECT_NAME: sqlmodel
-          BRANCH: ${{ ( github.event.workflow_run.head_repository.full_name == github.repository && github.event.workflow_run.head_branch == 'master' && 'main' ) || ( github.event.workflow_run.head_sha ) }}
+          BRANCH: ${{ ( github.event.workflow_run.head_repository.full_name == github.repository && github.event.workflow_run.head_branch == 'main' && 'main' ) || ( github.event.workflow_run.head_sha ) }}
         uses: cloudflare/wrangler-action@v3
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}