Fix yamllint errors, use SubM-standard config

Use similar yamllint configuration as other Submariner repos.

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>

.github/workflows/dependent-issues.yml

@@ -17,7 +17,7 @@ on:
       - reopened
       - synchronize
   schedule:
-    - cron: '0 0/6 * * *' # every 6 hours
+    - cron: '0 0/6 * * *'  # every 6 hours
 
 jobs:
   check:

.github/workflows/linting.yml

@@ -107,6 +107,5 @@ jobs:
       - name: Run yamllint
         uses: ibiqlik/action-yamllint@ed2b6e911569708ed121c14b87d513860a7e36a7
         with:
-          file_or_dir: submariner-k8s-broker/Chart.yaml submariner-k8s-broker/values.yaml submariner-operator/Chart.yaml submariner-operator/values.yaml
           config_file: .yamllint.yml
           strict: true