docs: update CHANGELOG.md for 1.0.0

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0] - 2024-01-25
+### :sparkles: New Features
+- [`327bbb3`](https://github.com/clouddrove/terraform-aws-documentdb/commit/327bbb324bbe49d27fb59279f927d0d7ae2d1637) - update github-action version and added automerge file *(PR [#8](https://github.com/clouddrove/terraform-aws-documentdb/pull/8) by [@theprashantyadav](https://github.com/theprashantyadav))*
+- [`8d2c8c1`](https://github.com/clouddrove/terraform-aws-documentdb/commit/8d2c8c131b0270ee3ae0c0821cb7dd9e763999f2) - 🚀  Pull from master branch and create new release. *(PR [#9](https://github.com/clouddrove/terraform-aws-documentdb/pull/9) by [@nileshgadgi](https://github.com/nileshgadgi))*
+
+
 ## [0.15.3] - 2022-01-18
 ### :bug: Bug Fixes
 - [`a19e19f`](https://github.com/clouddrove/terraform-aws-documentdb/commit/a19e19f2e855d0649301c6856e85ffbabe09260b) - Merge pull request #3 from clouddrove/internal204 .
@@ -30,3 +36,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [0.15.1]: https://github.com/clouddrove/terraform-aws-documentdb/compare/0.15.1...master
 [0.15.2]: https://github.com/clouddrove/terraform-aws-documentdb/compare/0.15.2...master
 [0.15.3]: https://github.com/clouddrove/terraform-aws-documentdb/releases/tag/0.15.3
+
+[1.0.0]: https://github.com/clouddrove/terraform-aws-documentdb/compare/0.15.3...1.0.0