Update publish-to-test-pypi.yml

Author: justdanyul

.github/workflows/publish-to-test-pypi.yml

@@ -5,7 +5,7 @@ on:
 jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
       - name: Set up Python 3.9
@@ -34,4 +34,4 @@ jobs:
         if: startsWith(github.ref, 'refs/tags')
         uses: pypa/gh-action-pypi-publish@master
         with:
-          password: ${{ secrets.PYPI_API_TOKEN }}
+          password: ${{ secrets.PYPI_API_TOKEN }}