Update crates to the newtype `fiat-crypto` codegen

[MasterAwesome]

fiat-constify was updated to allow for new-type code generated by fiat-crypto was compatible in RustCrypto/utils#992. This issue tracks the remaining implementations

• bign256
• bp256
• bp384
• k256
• p192
• p224
• p256
• p384
• p521 (p521: fiat-constify update #1003)
• primeorder (p521: fiat-constify update #1003)
• sm2