Bump react-native-macos from 0.72.20 to 0.72.21 (#3493)

Bumps [react-native-macos](https://github.com/microsoft/react-native-macos/tree/HEAD/packages/react-native) from 0.72.20 to 0.72.21.
- [Release notes](https://github.com/microsoft/react-native-macos/releases)
- [Changelog](https://github.com/microsoft/react-native-macos/blob/main/CHANGELOG-pre-070.md)
- [Commits](https://github.com/microsoft/react-native-macos/commits/v0.72.21/packages/react-native)

---
updated-dependencies:
- dependency-name: react-native-macos
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

yarn.lock

@@ -18260,8 +18260,8 @@ __metadata:
   linkType: hard
 
 "react-native-macos@npm:^0.72.0":
-  version: 0.72.20
-  resolution: "react-native-macos@npm:0.72.20"
+  version: 0.72.21
+  resolution: "react-native-macos@npm:0.72.21"
   dependencies:
     "@jest/create-cache-key-function": ^29.2.1
     "@react-native-community/cli": 11.3.7
@@ -18303,7 +18303,7 @@ __metadata:
     react: 18.2.0
   bin:
     react-native-macos: cli.js
-  checksum: 3c1dd641248531e87abf62ea4d4ca1cc7fb784f09c61a79431d73253ef51cc7fea65f248097713059fec88307a5223b072393f0cf73156c7618ccddaef2acae8
+  checksum: 7d28455817ef400d4d052f2d8585ca786f82d2b478a228d95f6dc9dd9d879c04a19796bf4abd7e697227f6a005bb5dfa1a72cc49a76da1cd208660210abcef51
   languageName: node
   linkType: hard