Update CHANGELOG.md

Author: jfallows

CHANGELOG.md

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 # Changelog
 
+## [0.9.99](https://github.com/aklivity/zilla/tree/0.9.99) (2024-10-12)
+
+[Full Changelog](https://github.com/aklivity/zilla/compare/0.9.98...0.9.99)
+
+**Merged pull requests:**
+
+- Update advertised protocol version in pgsql server binding [\#1294](https://github.com/aklivity/zilla/pull/1294) ([akrambek](https://github.com/akrambek))
+- Support cancel request [\#1293](https://github.com/aklivity/zilla/pull/1293) ([akrambek](https://github.com/akrambek))
+
 ## [0.9.98](https://github.com/aklivity/zilla/tree/0.9.98) (2024-10-10)
 
 [Full Changelog](https://github.com/aklivity/zilla/compare/0.9.97...0.9.98)