Update CHANGELOG.md

Author: mhils

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## Unreleased: mitmproxy_rs next
 
+- Fix a bug where buffer space wasn't reclaimed correctly, leading to an error in local capture mode.
+- macOS: Make sure an existing network extension is replaced if a newer version is available.
+- macOS: Fix a bug where IPv6 addresses with scope ids were not parsed correctly.
+- Improve error message if `bpf-linker` is missing.
 
 ## 06 January 2025: mitmproxy_rs 0.11.4