upgrade python

Author: BurkeHulk

.github/workflows/release_test_pypi_before_merge.yml

@@ -16,7 +16,7 @@ jobs:
 
     - uses: actions/setup-python@v2
       with:
-        python-version: '3.9.0'
+        python-version: '3.9'
 
     - name: add timestamp to the version
       id: prep-version