Added a perl mandatory package

If not installed: install_driver(mysql) failed: Can't locate DBD/mysql.pm in
@INC (you may need to install the DBD::mysql module)

mysql/tasks/munin.yml

@@ -10,10 +10,13 @@
     - munin
 
 - block:
-  - name: Install libcache-cache-perl for Munin
+  - name: Install perl mandatory packages for Munin's MariaDB plugins
     apt:
-      name: libcache-cache-perl
+      name: "{{ item }}"
       state: present
+    with_items:
+    - libdbd-mysql-perl
+    - libcache-cache-perl
 
   - name: Enable core Munin plugins
     file: