Update thiserror requirement from 1 to 2

Updates the requirements on [thiserror](https://github.com/dtolnay/thiserror) to permit the latest version.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.0...2.0.4)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -10,7 +10,7 @@ rand = "0.8"
 rayon = "1"
 sha2 = { version = "0.10", default-features = false, features = ["std"] }
 sha3 = { version = "0.10", default-features = false, features = ["std", "asm"] }
-thiserror = "1"
+thiserror = "2"
 groth-sahai = { git = "https://github.com/jdwhite48/groth-sahai-rs", rev = "22ecc73db72a6cebdd55d971078c56be9f8a270c" }
 ark-bls12-381 = { version = "0.4" }
 ark-ec = { version = "0.4", default-features = false }