Description

Added release notes for 1.10.4 release

[X] The Documentation is updated accordingly, or this PR doesn't require it.
[X] I updated/added relevant documentation (doc comments with ///).
[X] I listed at least one issue that this PR fixes in the description above.
[X] I read and followed the Flutter Style Guide, including Features we expect every widget to implement.
[X] I added new tests to check the change I am making, or this PR is test-exempt.
[X] All existing and new tests are passing.

100mslive / 100ms-flutter