ops: restrict PyPI publishing to bi-weekly ComfyUI releases (#9948)

## Summary

Restrict PyPI publishing of `comfyui-frontend-package` to bi-weekly
ComfyUI release cycles only, instead of every nightly version bump.

## Changes

- **What**: Move `publish_pypi` job from `release-draft-create.yaml` to
`release-biweekly-comfyui.yaml`
1. Removed `publish_pypi` job from `release-draft-create.yaml` (no
longer publishes on every merged Release PR)
2. Added `publish-pypi` job to `release-biweekly-comfyui.yaml` with tag
polling, build, publish, and PyPI availability confirmation
3. Gated `create-comfyui-pr` on `publish-pypi` success so the ComfyUI
requirements bump PR is only created after the package is confirmed
available
4. Updated ComfyUI PR body to confirm PyPI availability instead of
warning about a pending release PR
- **Breaking**: None — nightly releases still create GitHub releases and
publish npm types; only PyPI publishing timing changes
- **Dependencies**: None

## Review Focus

- The `publish-pypi` job uses `if: always() &&
needs.resolve-version.result == 'success'` to run even when
`trigger-release-if-needed` is skipped (tag already exists)
- Tag polling (30min timeout) waits for the version bump PR to be merged
before building from the tagged commit
- PyPI propagation polling (15min timeout) confirms the package is
installable before creating the ComfyUI PR

Fixes COM-16778

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9948-ops-restrict-PyPI-publishing-to-bi-weekly-ComfyUI-releases-3246d73d36508198b00fcc247ac5b58c)
by [Unito](https://www.unito.io)

---------

Co-authored-by: GitHub Action <action@github.com>

.github/workflows/release-draft-create.yaml

@@ -99,37 +99,6 @@ jobs:
             ${{ needs.build.outputs.is_prerelease == 'true' }}
           generate_release_notes: true
 
-  publish_pypi:
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-      - name: Download dist artifact
-        uses: actions/download-artifact@v7
-        with:
-          name: dist-files
-      - name: Set up Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: '3.x'
-      - name: Install build dependencies
-        run: python -m pip install build
-      - name: Setup pypi package
-        run: |
-          mkdir -p comfyui_frontend_package/comfyui_frontend_package/static/
-          cp -r dist/* comfyui_frontend_package/comfyui_frontend_package/static/
-      - name: Build pypi package
-        run: python -m build
-        working-directory: comfyui_frontend_package
-        env:
-          COMFYUI_FRONTEND_VERSION: ${{ needs.build.outputs.version }}
-      - name: Publish pypi package
-        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
-        with:
-          password: ${{ secrets.PYPI_TOKEN }}
-          packages-dir: comfyui_frontend_package/dist
-
   publish_types:
     needs: build
     uses: ./.github/workflows/release-npm-types.yaml
@@ -142,7 +111,6 @@ jobs:
     name: Comment Release Summary
     needs:
       - draft_release
-      - publish_pypi
       - publish_types
     if: success()
     runs-on: ubuntu-latest