Fix linters issue and metadata

With update of ansible-lint to version >=6.0.0 a lot of new
linters were added, that enabled by default. In order to comply
with linter rules we're applying changes to the role.

With that we also update metdata to reflect current state.

Change-Id: Ib46df44ae2251932cf9169721ef463f0ec78b64e

meta/main.yml

@@ -17,20 +17,22 @@ galaxy_info:
   author: rcbops
   description: Installation and setup of memcached
   company: Rackspace
+  role_name: memcached_server
+  namespace: openstack
   license: Apache2
-  min_ansible_version: 2.2
+  min_ansible_version: "2.10"
   platforms:
     - name: Debian
       versions:
-        - buster
+        - bullseye
     - name: Ubuntu
       versions:
-        - bionic
         - focal
+        - jammy
     - name: EL
       versions:
-        - 8
-  categories:
+        - "9"
+  galaxy_tags:
     - cloud
     - memcached
     - development

tasks/main.yml

@@ -28,11 +28,13 @@
   tags:
     - always
 
-- include_tasks: memcached_install.yml
+- name: Importing memcached_install tasks
+  import_tasks: memcached_install.yml
   tags:
     - memcached_server-install
 
-- include_tasks: memcached_config.yml
+- name: Importing memcached_config tasks
+  import_tasks: memcached_config.yml
   tags:
     - memcached_server-config