ci: Update OS runners to use latest

Author: theopolis

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-11]
+        os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
       - name: Checkout source
@@ -80,4 +80,3 @@ jobs:
 
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
-