Fix linting errors

Author: ncalteen

.github/linters/.checkov.yml

@@ -0,0 +1,3 @@
+quiet: true
+skip-check:
+  - CKV_GHA_7

.github/workflows/example-workflow.yml

@@ -9,6 +9,10 @@ on:
         default: 'World'
         type: string
 
+permissions:
+  actions: read
+  contents: read
+
 jobs:
   say-hello:
     name: Say Hello