Update release.yml with release branch for gh-action-pypi-publish (pypa#195)

* Update `release.yml` with release branch for `gh-action-pypi-publish`

Per documentation here: https://github.com/pypa/gh-action-pypi-publish

(cc @webknjaz)

* Update .github/workflows/release.yml

Co-authored-by: Sviatoslav Sydorenko <[email protected]>

---------

Co-authored-by: Sviatoslav Sydorenko <[email protected]>

Author: di

.github/workflows/release.yml

@@ -26,6 +26,6 @@ jobs:
     - name: Build
       run: python -m build .
     - name: Publish
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
-        skip_existing: true
+        skip-existing: true