Merge pull request rails#52695 from excid3/strip-encrypted-content-file

Strip encrypted file contents

Author: rafaelfranca

activesupport/lib/active_support/encrypted_file.rb

@@ -69,7 +69,7 @@ def key?
     #   decrypted or verified.
     def read
       if !key.nil? && content_path.exist?
-        decrypt content_path.binread
+        decrypt content_path.binread.strip
       else
         raise MissingContentError, content_path
       end