python 3.7.5 in github actions

Summary:
this was missed in #293

(Note: this ignores all push blocking failures!)

Reviewed By: atanu1991

Differential Revision: D32752302

fbshipit-source-id: 3a71374ae93bd2dfb1b457aff9bc81b8112c2886

.github/workflows/python-publish.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: '3.7.4'
+        python-version: '3.7.5'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip