committing changes in /etc made by "apt-get install mariadb-server"

committing changes in /etc made by "apt-get install mariadb-server"

Package changes:
+galera-3 25.3.29-1 amd64
+libconfig-inifiles-perl 3.000002-1 all
+libsnappy1v5 1.1.8-1build1 amd64
+libterm-readkey-perl 2.38-1build1 amd64
+mariadb-client-core-10.3 1:10.3.22-1ubuntu1 amd64
+mariadb-server 1:10.3.22-1ubuntu1 all
+mariadb-server-core-10.3 1:10.3.22-1ubuntu1 amd64
-mysql-client-8.0 8.0.20-0ubuntu0.20.04.1 amd64
-mysql-client-core-8.0 8.0.20-0ubuntu0.20.04.1 amd64
-mysql-server-core-8.0 8.0.20-0ubuntu0.20.04.1 amd64
+mysql-server-8.0 8.0.20-0ubuntu0.20.04.1 amd64
+socat 1.7.3.3-2 amd64