Improving yamllint configuration (#11389)

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

tests/testcases/100_check-k8s-conformance.yml

@@ -18,7 +18,7 @@
       get_url:
         url: "https://github.com/heptio/sonobuoy/releases/download/v{{ sonobuoy_version }}/sonobuoy_{{ sonobuoy_version }}_linux_{{ sonobuoy_arch }}.tar.gz"
         dest: /tmp/sonobuoy.tar.gz
-        mode: 0644
+        mode: "0644"
 
     - name: Extract sonobuoy
       unarchive:

tests/testcases/roles/cluster-dump/tasks/main.yml

@@ -8,7 +8,7 @@
   community.general.archive:
     path: /tmp/cluster-dump
     dest: /tmp/cluster-dump.tgz
-    mode: 0644
+    mode: "0644"
   when: inventory_hostname in groups['kube_control_plane']
 
 - name: Fetch dump file