add file check for faster processing

tasks/install_docker_debian.yml

@@ -10,11 +10,16 @@
     path: /etc/apt/keyrings
     state: directory
     mode: "0755"
+- name: Check if Docker GPG key exists
+  stat:
+    path: /etc/apt/keyrings/docker.asc
+  register: docker_key
 - name: Add Docker GPG apt Key
   get_url:
     url: https://download.docker.com/linux/debian/gpg
     dest: /etc/apt/keyrings/docker.asc
     mode: "0755"
+  when: not docker_key.stat.exists
 - name: Add Docker Repository
   apt_repository:
     repo: deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian {{ansible_distribution_release}} stable