docs(changelog): update changelog for tag v0.5.9 (#351)

* docs(changelog): update changelog for tag v0.5.9

Signed-off-by: h-suzuki <h-suzuki@isp.co.jp>

* chore: changelog

Signed-off-by: h-suzuki <h-suzuki@isp.co.jp>

* chore: comment

Signed-off-by: h-suzuki <h-suzuki@isp.co.jp>

---------

Signed-off-by: h-suzuki <h-suzuki@isp.co.jp>

Author: h-suzuki-isp

docs/changelog.md

@@ -2,6 +2,12 @@
 
 ## CARET
 
+### v0.5.9 <small>\_ Aug 7, 2024</small> {id = "0.5.9"}
+
+- **Fix**: Temporarily limit mypy version for CI execution. ([caret_analyze #519](https://github.com/tier4/caret_analyze/pull/519))
+
+- **Update**: Supports the implementation that users explicitly take messages using subscription->take. This allows visualization of the message flow of the path containing the nodes implemented above. ([caret_analyze #516](https://github.com/tier4/caret_analyze/pull/516))
+
 ### v0.5.8 <small>\_ Jul 29, 2024</small> {id = "0.5.8"}
 
 - **New**: Add cppcheck to ci. At the same time, the correction of the indicated items in cppcheck is carried out. ([caret_trace #291](https://github.com/tier4/caret_trace/pull/291), [caret_analyze_cpp_impl #211](https://github.com/tier4/caret_analyze_cpp_impl/pull/211))