Support ReScript v11

[aspeddro]

Tracking ReScript v11 syntax changes:

• Extensible records (e.g. type t = {...t1, x:int, ...t2} Explore record type extension rescript#5659

• Partial application of uncurried functions: foo(1, ...) Add surface syntax for partial application of uncurried functions rescript#6166

• Dynamic Import module M = await Belt.Array Dynamic import rescript#5703

• Variant type spreads type bb = | ...aa | Three | Four Variant type spreads rescript#6316

• Tagged template literals sqlselect * from table

Some notes:

• assert is parsed as a regular function Parse assert as a regular function rescript#6180
• Exponentiation operator ** is now right-associative.

[dkirchhof]

What about tagged template literals?