Attempt to fix release script

.github/workflows/publish.yml

@@ -17,6 +17,7 @@ jobs:
 
       # Make sure tags are fetched so we can get a version.
       - run: |
+          sleep 10  # Sleep a while to make sure everything is up-to-date.
           git fetch --prune --unshallow --tags
       - name: Set up Python
         uses: actions/setup-python@v2
@@ -25,7 +26,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          pip install --upgrade pip
           pip install -U setuptools 'setuptools_scm[toml]' setuptools_scm_git_archive wheel twine
       - name: Build and publish
         env:
@@ -34,4 +35,7 @@ jobs:
 
         run: |
           python setup.py sdist
-          twine upload dist/*
+          twine upload dist/*
+          # Sleep and try again to make sure is uploaded.
+          sleep 1
+          twine upload dist/*