Use temporary update branch in mysql role

Signed-off-by: Martin Schurz <[email protected]>

Author: schurzi

molecule/mysql_hardening/requirements.yml

@@ -1,6 +1,7 @@
 ---
 roles:
-  - name: dev-sec.mysql
+  - name: https://github.com/dev-sec/ansible-role-mysql.git
+    type: git
     version: update_ansible_2.19
 
 collections: