Bump streamChatSDK from 6.4.1 to 6.4.3

Bumps `streamChatSDK` from 6.4.1 to 6.4.3.

Updates `io.getstream:stream-chat-android-client` from 6.4.1 to 6.4.3
- [Release notes](https://github.com/getstream/stream-chat-android/releases)
- [Changelog](https://github.com/GetStream/stream-chat-android/blob/main/CHANGELOG.md)
- [Commits](GetStream/stream-chat-android@v6.4.1...v6.4.3)

Updates `io.getstream:stream-chat-android-offline` from 6.4.1 to 6.4.3
- [Release notes](https://github.com/getstream/stream-chat-android/releases)
- [Changelog](https://github.com/GetStream/stream-chat-android/blob/main/CHANGELOG.md)
- [Commits](GetStream/stream-chat-android@v6.4.1...v6.4.3)

Updates `io.getstream:stream-chat-android-compose` from 6.4.1 to 6.4.3
- [Release notes](https://github.com/getstream/stream-chat-android/releases)
- [Changelog](https://github.com/GetStream/stream-chat-android/blob/main/CHANGELOG.md)
- [Commits](GetStream/stream-chat-android@v6.4.1...v6.4.3)

---
updated-dependencies:
- dependency-name: io.getstream:stream-chat-android-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.getstream:stream-chat-android-offline
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.getstream:stream-chat-android-compose
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-streamChatSDK = "6.4.1"
+streamChatSDK = "6.4.3"
 streamVideoSDK = "1.0.12"
 streamLog = "1.1.4"
 sealedx = "1.0.1"