[0.76] Fix compiling new app when transformer.hermesParser = false

[huntie]

Target Branch(es)

0.76

Link to commit or PR to be picked

Strictly required (in order)

• 1/ Switch to hermes-parser in eslint-* package tests facebook/react-native#46699
• 2/ Switch Babel parsing from legacy Flow plugin to hermes-parser facebook/react-native#46696

Optional 3rd PR (recommended as this keeps hermes-parser aligned across the board)

• 3/ Switch to hermes-parser in eslint-config facebook/react-native#46700

Description

Resolves facebook/react-native#46601.

[huntie]

@blakef @cortinico This stack is now ready (should land on main soon).

[cortinico]

cc @cipolleschi also

[blakef]

Picked all 3.