[tagpr] update CHANGELOG.md

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [v0.0.3](https://github.com/2manymws/rlutils/compare/v0.0.2...v0.0.3) - 2023-12-24
+### Other Changes
+- There are cases where I want to use keys other than the fixed ones. by @pyama86 in https://github.com/2manymws/rlutils/pull/5
+
 ## [v0.0.1](https://github.com/2manymws/rlutils/commits/v0.0.1) - 2023-12-20
 ### Other Changes
 - Apply rate limiting to countries other than the target country by @pyama86 in https://github.com/2manymws/rlutils/pull/2