release: publish our runfiles wheel to pypi (#1048)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1e89fa8..eb23bc8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,6 +28,14 @@
         uses: actions/checkout@v2
       - name: Create release archive and notes
         run: .github/workflows/create_archive_and_notes.sh
+      - name: Publish wheel dist
+        env:
+          # This special value tells pypi that the user identity is supplied within the token
+          TWINE_USERNAME: __token__
+          # Note, the PYPI_API_TOKEN is for the rules-python pypi user, added by @rickylev on
+          # https://github.com/bazelbuild/rules_python/settings/secrets/actions
+          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+        run: bazel run --stamp --embed_label=${{ github.ref_name }} //python/runfiles:wheel.publish
       - name: Release
         uses: softprops/action-gh-release@v1
         with: