[release] Let's do an alpha release instead. It's quite early

Merge pull request mui#5935 from oliviertassinari/v0.16.7

[release] v0.16.7

[release] v0.16.6

Merge pull request mui#5729 from oliviertassinari/v0.16.5

[release] v0.16.5

Merge pull request mui#5582 from oliviertassinari/v0.16.4

[release] v0.16.4

Merge pull request mui#5580 from oliviertassinari/v0.16.3

[release] v0.16.3

Merge pull request mui#5550 from oliviertassinari/v0.16.2

[release] v0.16.2

Merge pull request mui#5413 from oliviertassinari/v0.16.1-prepare

[release] prepare v0.16.1

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