make the role usable on "all" debian versions

.ansible-lint

@@ -0,0 +1,3 @@
+---
+skip_list:
+  - fqcn-builtins

tasks/main.yml

@@ -1,5 +1,5 @@
 - name: Ensure packages are installed
-  become: yes
+  become: true
   apt:
     name:
       - python3-pip
@@ -11,41 +11,41 @@
     state: present
 
 - name: Trust dockers GPG key
-  become: yes
+  become: true
   apt_key:
     url: https://download.docker.com/linux/debian/gpg
     state: present
 
 - name: Ensure docker repository is available
-  become: yes
+  become: true
   apt_repository:
-    repo: deb https://download.docker.com/linux/debian buster stable
+    repo: deb https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable
     state: present
 #  notify: Update apt cache
 
-#- name: Flush handlers
+# - name: Flush handlers
 #   meta: flush_handlers
 
 - name: Ensure packages are installed
-  become: yes
+  become: true
   apt:
     name:
       - docker-ce
       - docker-ce-cli
       - containerd.io
       - docker-compose
-    update_cache: yes
+    update_cache: true
     state: present
 
 - name: Install docker python module
-  become: yes
+  become: true
   pip:
     executable: pip3
     name:
       - docker
 
 - name: Change docker root
-  become: yes
+  become: true
   template:
     src: templates/daemon.json.j2
     dest: /etc/docker/daemon.json