Fix
* fix: duplicate blocks in the same file causes errors (28)
When an encrypted block is present more than one time in a file it causes errors since the first replacement replaces both instances and the second then fails. ([`21b8543`](https://github.com/raddessi/salt-gnupg-rotate/commit/21b85430313d4e9923773d03a5f9dab0c033281a))