Update CHANGELOG.md for 3.32.8 (flutter#172779)

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

Author: reidbaker

CHANGELOG.md

@@ -31,6 +31,13 @@ docs/releases/Hotfix-Documentation-Best-Practices.md
 -->
 ## Flutter 3.32 Changes
 
+### [3.32.8](https://github.com/flutter/flutter/releases/tag/3.32.8)
+
+- [flutter/150131](https://github.com/flutter/flutter/issues/150131) iOS users on macOS 15 may see a tool crash if permissions are missing. Can work around by enabling mDNS permissions.
+- [flutter/155294](https://github.com/flutter/flutter/issues/155294) [flutter/169506](https://github.com/flutter/flutter/issues/169506) On android Add a new api for requesting a new surface from the embedder that is different from any previously returned.
+- [flutter/172602](https://github.com/flutter/flutter/pull/172602)  Do not call hasUnifiedMemory that was introduced in macOS 10.15 on versions before 10.15.
+- [flutter/172250](https://github.com/flutter/flutter/issues/172250) `TextInput.hide` call incorrectly clears the text in the active text field on iOS.
+
 ### [3.32.7](https://github.com/flutter/flutter/releases/tag/3.32.7)
 
 - [flutter/172121](https://github.com/flutter/flutter/pull/172121) - Fix iOS images replaced with pink fill when coming out of background.