Exclude migration related files from rubocop hook
Exclude migration related files from rubocop hook

CredentialEngine/CredentialRegistry,coffeejunk/CredentialRegistry,learningtapestry/learningregistry,CredentialEngine/CredentialRegistry,learningtapestry/learningregistry,learningtapestry/learningregistry,coffeejunk/CredentialRegistry,coffeejunk/CredentialRegistry,CredentialEngine/CredentialRegistry