CHANGELOG.md in nvd_feed_api-0.4.0

- old
+ new
@@ -1,11 +1,26 @@
-# [0.3.0] - 22 January 2019
+# [unreleased]
 
+# [0.4.0] - 31 January 2021
+
+- Dependencies:
+  - Update to yard [v0.9.27](https://github.com/lsegal/yard/releases/tag/v0.9.27)
+    - Move from Redcarpet to CommonMarker markdown provider
+    - Move doc syntax from Rdoc to markdown
+  - Move dev dependencies from gemspec to gemfile
+- Chore:
+  - Add support for Ruby 3.1
+  - Update rubocop rules
+
+# [0.3.1] - 13 October 2020
+
 [0.3.1]: https://gitlab.com/noraj/nvd_api/tags/v0.3.1
 
 - fix scrap method to reflect NVD feeds page changes
 - update dependencies
 - update rubocop rules
+
+# [0.3.0] - 22 January 2019
 
 [0.3.0]: https://gitlab.com/noraj/nvd_api/tags/v0.3.0
 
 - update dependencies: updated gemspec, ruby 2.6 support, fix gem doc flag, fix oj crash (seg fault)
 - Gemfile.lock: now Gemfile.lock is not ignored anymore