1.0.0 readiness

Updates the CHANGELOG.md to set the release date.

CHANGELOG.md

@@ -2,25 +2,31 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.0.0 - TBD
+## 1.0.0 - 2021-02-15
 
-### Added
 
-- Nothing.
 
-### Changed
+-----
 
-- Nothing.
+### Release Notes for [1.0.0](https://github.com/nucleos/auto-merge-action/milestone/1)
 
-### Deprecated
 
-- Nothing.
 
-### Removed
+### 1.0.0
 
-- Nothing.
+- Total issues resolved: **0**
+- Total pull requests resolved: **5**
+- Total contributors: **1**
 
-### Fixed
+#### Bug
 
-- Nothing.
+ - [12: Show merge errors](https://github.com/nucleos/auto-merge-action/pull/12) thanks to @core23
+
+#### Enhancement
+
+ - [8: Add tests](https://github.com/nucleos/auto-merge-action/pull/8) thanks to @core23
+ - [7: Remove deprecations](https://github.com/nucleos/auto-merge-action/pull/7) thanks to @core23
+ - [4: Remove label after merge](https://github.com/nucleos/auto-merge-action/pull/4) thanks to @core23
+
+ - [6: Add more verbose information](https://github.com/nucleos/auto-merge-action/pull/6) thanks to @core23