Update CHANGELOG.md

Author: marinasundstrom

CHANGELOG.md

@@ -12,6 +12,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - PR [#214](https://github.com/marinasundstrom/CheckedExceptions/pull/214) Fix handling of re-throws in catch and catch-all
 
+* PR [#220](https://github.com/marinasundstrom/CheckedExceptions/pull/220) Fixes and enhancements to control flow analysis
+  - Exclude local func from unreachable code diagnostic [#210](https://github.com/marinasundstrom/CheckedExceptions/issues/210)
+  - Handle finally clause [#212](https://github.com/marinasundstrom/CheckedExceptions/issues/212)
+  - Exclude stmts with contracts from Roslyn ctrl flow analysis [#221](https://github.com/marinasundstrom/CheckedExceptions/issues/221)
+  - Remove unused diagnostic [#217](https://github.com/marinasundstrom/CheckedExceptions/issues/217)
+  - Assign categories to diagnostics [#216](https://github.com/marinasundstrom/CheckedExceptions/issues/216)
+
+
 ## [1.9.0] - 2025-08-04
 
 ### Added