increase required ansible version to 2.11

Increase required ansible version to 2.11 becaus of using new fully qualified collection names

meta/main.yml

@@ -4,7 +4,7 @@ galaxy_info:
   description: Ansible role to install and configure the unbound DNS resolver.
   role_name: unbound
   license: MIT
-  min_ansible_version: 2.8
+  min_ansible_version: 2.11
   github_branch: master
   platforms:
     - name: Debian
@@ -14,4 +14,5 @@ galaxy_info:
   galaxy_tags:
     - unbound
     - dns
+    - dnssec
 dependencies: []

tasks/versioncheck.yml

@@ -1,4 +1,7 @@
 ---
+# Copyright (c) 2021 L3D <l3d@c3woc.de>
+# this file is released with the MIT license.
+# License: https://github.com/roles-ansible/ansible_role_template/blob/main/LICENSE
 - name: Create directory for versionscheck
   become: true
   ansible.builtin.file:
@@ -32,11 +35,6 @@
   when:
     - playbook_version.content|default("Mgo=")|b64decode|int - 1 >= playbook_version_number|int and submodules_versioncheck|bool
 
-- name: check if '/etc/ansible-version/' is empty
-  ansible.builtin.find:
-    paths: '/etc/ansible-version/'
-  register: filesFound
-
 - name: write new version to remote disk
   become: true
   ansible.builtin.copy:

vars/main.yml

@@ -1,3 +1,3 @@
 ---
-playbook_version_number: 65  # should be integer
+playbook_version_number: 66  # should be integer
 playbook_version_path: 'role-unbound_roles-ansible_github.com.version'