bump minimums: 10.11 & php 7.4

CHANGELOG.md

@@ -8,7 +8,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Changed
 
--  [#395](https://github.com/owncloud/encryption/issues/395) - Always return an int from Symfony Command execute method
+- [#395](https://github.com/owncloud/encryption/issues/395) - Always return an int from Symfony Command execute method
+- Minimum core version 10.11, minimum php version 7.4
 - Dependencies updated.
 - Strings updated.
 
@@ -70,7 +71,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Issues with recreating masterkeys when HSM is used [#128](https://github.com/owncloud/encryption/pull/128)
 
 
-[Unreleased]: https://github.com/owncloud/encryption/compare/v1.6.0...HEAD
+[Unreleased]: https://github.com/owncloud/encryption/compare/v1.6.1...HEAD
+[1.6.1]: https://github.com/owncloud/encryption/compare/v1.6.0...v1.6.1
 [1.6.0]: https://github.com/owncloud/encryption/compare/v1.5.3...v1.6.0
 [1.5.3]: https://github.com/owncloud/encryption/compare/v1.5.2...v1.5.3
 [1.5.2]: https://github.com/owncloud/encryption/compare/v1.5.1...v1.5.2