<NME> mysql-requirements.txt
<BEF> mysqlclient<2.1.1

<MSG> Merge pull request #2547 from modoboa/dependabot/pip/mysqlclient-lt-2.1.2

Update mysqlclient requirement from <2.1.1 to <2.1.2
<DFF> @@ -1,1 +1,1 @@
-mysqlclient<2.1.1
+mysqlclient<2.1.2

Merge pull request #2547 from modoboa/dependabot/pip/mysqlclient-lt-2.1.2