Improving yamllint configuration (#11389)

Signed-off-by: Bas Meijer <bas.meijer@enexis.nl>

roles/container-engine/nerdctl/handlers/main.yml

@@ -9,4 +9,4 @@
   copy:
     dest: /etc/bash_completion.d/nerdctl
     content: "{{ nerdctl_completion.stdout }}"
-    mode: 0644
+    mode: "0644"

roles/container-engine/nerdctl/tasks/main.yml

@@ -8,7 +8,7 @@
   copy:
     src: "{{ local_release_dir }}/nerdctl"
     dest: "{{ bin_dir }}/nerdctl"
-    mode: 0755
+    mode: "0755"
     remote_src: true
     owner: root
     group: root
@@ -21,7 +21,7 @@
   file:
     path: /etc/nerdctl
     state: directory
-    mode: 0755
+    mode: "0755"
     owner: root
     group: root
   become: true
@@ -30,7 +30,7 @@
   template:
     src: nerdctl.toml.j2
     dest: /etc/nerdctl/nerdctl.toml
-    mode: 0644
+    mode: "0644"
     owner: root
     group: root
   become: true