Fix incorrect version number in Github Action Examples (#29)

Author: Counterfly

README.md

@@ -20,19 +20,19 @@ None. Prints out the validated YAML on success. Prints out errors on invalid YAM
 
 ### Example usage
 ```
-- uses:  RoadieHQ/[email protected].5
+- uses:  RoadieHQ/[email protected].2
   with:
     path: 'catalog-info-1.yaml'
 ```
 
 ```
-- uses:  RoadieHQ/[email protected].5
+- uses:  RoadieHQ/[email protected].2
   with:
     path: 'catalog-info-1.yaml,catalog-info-2.yaml,catalog-info-3.yaml'
 ```
 
 ```
-- uses:  RoadieHQ/[email protected].5
+- uses:  RoadieHQ/[email protected].2
   with:
     path: 'catalog-info-*.yaml,services/**/*/catalog-info.yaml'
 ```