Bump version to 4.8.0-beta, update baselines, and LKG

Bump version to 4.7.4 and LKG

Bump version to 4.7.3 and LKG

Bump version to 4.7.2 and LKG

Update LKG.

Bump version to 4.7.0-beta and LKG

Bump version to 4.6.4 and LKG

Bump version to 4.6.3 and LKG

🤖 Pick PR microsoft#47927 (Don't error if binding pattern type...) in…

…to release-4.6 (microsoft#48005)

* Cherry-pick PR microsoft#47927 into release-4.6

Component commits:
c4aa31b early return if pattern type is never

* Update LKG

Co-authored-by: Gabriela Araujo Britto <[email protected]>
Co-authored-by: typescript-bot <[email protected]>

Update LKG for 4.6.1-rc.