Simplify release script by removing unnecessary git fetch tags command

Author: adamtheturtle

.github/workflows/release.yml

@@ -78,8 +78,7 @@ jobs:
       - name: Build a binary wheel and a source tarball
         run: |
           # Checkout the latest tag - the one we just created.
-          git fetch --tags
-          git checkout "$(git describe --tags "$(git rev-list --tags --max-count=1)")"
+          git checkout ${{ steps.tag_version.outputs.new_tag }}
           python -m pip install build check-wheel-contents
           python -m build --sdist --wheel --outdir dist/ .
           check-wheel-contents dist/*.whl