playbooks: Fix automount tasks to make ansible-lint happy

A few playbooks still had task name starting with lower case letters.

playbooks/automount/automount-map-absent.yml

@@ -4,7 +4,7 @@
   become: no
 
   tasks:
-  - name: ensure map TestMap is absent
+  - name: Ensure map TestMap is absent
     ipaautomountmap:
       ipaadmin_password: SomeADMINpassword
       name: TestMap

playbooks/automount/automount-map-present.yml

@@ -4,7 +4,7 @@
   become: no
 
   tasks:
-  - name: ensure map TestMap is present
+  - name: Ensure map TestMap is present
     ipaautomountmap:
       ipaadmin_password: SomeADMINpassword
       name: TestMap