Merge pull request openedx-unsupported#1574 from openedx/michaelroytm…

…an/fix-mysql8-migrations-check

Fix broken mysql-migrations workflow due to python-xmlsec.

.github/workflows/mysql-migrations.yml

@@ -52,7 +52,7 @@ 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: |