ci: restore nightly-only coverage trigger

Signed-off-by: Rui Luo <ruluo@nvidia.com>

Author: rluo8

.github/workflows/coverage.yml

@@ -8,17 +8,6 @@ on:
   schedule:
     - cron: '0 0 * * *' # This runs the workflow every day at 12:00 AM UTC
   workflow_dispatch: {}
-  # TEMPORARY (do not merge): copy-pr-bot mirrors the PR to pull-request/<n>
-  # on NVIDIA/cuda-python; a push event reads this workflow from that commit.
-  # Same trigger as ci.yml / #2426. Revert before merge.
-  push:
-    branches:
-      - "pull-request/[0-9]+"
-
-# One run per ref so a force-push does not queue another A100 job.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
-  cancel-in-progress: true
 
 env:
   PY_VER: "3.14"
@@ -573,7 +562,6 @@ jobs:
           include-hidden-files: true
 
       - name: Deploy to gh-pages
-        if: ${{ !startsWith(github.ref, 'refs/heads/pull-request/') }}
         uses: JamesIves/github-pages-deploy-action@d92aa235d04922e8f08b40ce78cc5442fcfbfa2f  # v4.8.0
         with:
           git-config-name: cuda-python-bot