Update CHANGELOG for v2.8.0 release

CHANGELOG.md

@@ -26,6 +26,22 @@ The following types of changes will be recorded in this file:
 
 - placeholder
 
+## [v2.8.0] - 2023-06-09
+
+### Added
+
+- `Adaptive Card` format
+ - (GH-205) Ability to create a Table in AdaptiveCard
+
+### Changed
+
+- Dependencies
+ - `stretchr/testify`
+ - `v1.8.2` to `v1.8.4`
+- CI
+ - (GH-226) Add `quick` Makefile recipe (alias)
+ - (GH-225) Update vuln analysis GHAW to remove on.push hook
+
 ## [v2.7.1] - 2023-06-09
 
 ### Changed
@@ -466,7 +482,8 @@ The following types of changes will be recorded in this file:
 
 - add initial functionality of sending messages to MS Teams channel
 
-[Unreleased]: https://github.com/atc0005/go-teams-notify/compare/v2.7.1...HEAD
+[Unreleased]: https://github.com/atc0005/go-teams-notify/compare/v2.8.0...HEAD
+[v2.8.0]: https://github.com/atc0005/go-teams-notify/releases/tag/v2.8.0
 [v2.7.1]: https://github.com/atc0005/go-teams-notify/releases/tag/v2.7.1
 [v2.7.0]: https://github.com/atc0005/go-teams-notify/releases/tag/v2.7.0
 [v2.6.1]: https://github.com/atc0005/go-teams-notify/releases/tag/v2.6.1