Update changelog for 0.7.0 release

Author: eldruin

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [v0.7.0] - 2022-06-05
+
 ### Added
 
 - Support for `flash` on bigger chips (#168)
@@ -56,7 +58,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [v0.1.0] - 2019-11-05
 
 
-[Unreleased]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.6.0...HEAD
+[Unreleased]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.7.0...HEAD
+[v0.7.0]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.6.0...v0.7.0
 [v0.6.0]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.5.0...v0.6.0
 [v0.5.0]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.4.0...v0.5.0
 [v0.4.0]: https://github.com/stm32-rs/stm32f7xx-hal/compare/v0.3.0...v0.4.0