Switch cryptonite to crypton.

`crypton` is the new drop-in replacement to `cryptonite`. We have
switched already in `ledger`[1]. `cryptonite` is no longer maintained.

References:
[1]: IntersectMBO/cardano-ledger#4859

Author: aniketd

cabal.project

@@ -28,7 +28,7 @@ if impl(ghc < 9.8)
 program-options
   ghc-options: -Werror
 
-package cryptonite
+package crypton
   -- Using RDRAND instead of /dev/urandom as an entropy source for key
   -- generation is dubious. Set the flag so we use /dev/urandom by default.
   flags: -support_rdrand

cardano-api/cardano-api.cabal

@@ -133,7 +133,7 @@ library
     cborg,
     containers,
     contra-tracer,
-    cryptonite,
+    crypton,
     data-default-class,
     deepseq,
     directory,