Merge pull request #315 from edx/michaelroytman/fix-mysql8-migrations…

…-check

Fix broken mysql8-migrations-check workflow due to python-xmlsec.

.github/workflows/mysql8-migrations-check.yml

@@ -53,7 +53,7 @@ jobs:
         pip uninstall -y mysqlclient
         pip install --no-binary mysqlclient mysqlclient
         pip uninstall -y xmlsec
-        pip install --no-binary xmlsec xmlsec
+        pip install --no-binary xmlsec xmlsec==1.3.13
     - name: Initiate services
       run: |
         sudo /etc/init.d/mysql start