feat(tvix/eval): Use thiserror for ErrorKind and CatchableErrorKind

thiserror is much more easier to maintain than manually implementing Error and Display.

Change-Id: Ibf13e2d8a96fba69c8acb362b7515274a593dfd6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12452
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: Ilan Joselevich <personal@ilanjoselevich.com>
Tested-by: BuildkiteCI

tvix/eval/Cargo.toml

@@ -36,6 +36,7 @@ data-encoding = { workspace = true }
 rustc-hash = { workspace = true }
 nohash-hasher = { workspace = true }
 vu128 = { workspace = true }
+thiserror.workspace = true
 
 [dev-dependencies]
 criterion = { workspace = true }