Merge pull request mui#5319 from oliviertassinari/v0.16.0

[release] v0.16.0

Merge pull request mui#5250 from oliviertassinari/0.16.0-rc2

[release] Prepare v0.16.0-rc2

[AppBar] Fix leaking property

@chrislambe Thanks for raising this issue.

Closes mui#5146.

Merge pull request mui#4915 from oliviertassinari/v0.15.4

Prepare for v0.15.4

[Docs] Add v0.15.3 to versions.json

[Core] Update package.json version to 0.15.2

Merge pull request mui#4060 from alitaheri/prepare-0.15.0-beta.2-release

Prepare the 0.15.0-beta.2 release