Bump frost-rerandomized from 2.0.0-rc.0 to 2.1.0

Bumps [frost-rerandomized](https://github.com/ZcashFoundation/frost) from 2.0.0-rc.0 to 2.1.0.
- [Release notes](https://github.com/ZcashFoundation/frost/releases)
- [Commits](ZcashFoundation/frost@frost-rerandomized/v2.0.0-rc.0...frost-rerandomized/v2.1.0)

---
updated-dependencies:
- dependency-name: frost-rerandomized
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -31,7 +31,7 @@ pasta_curves = { version = "0.5", default-features = false }
 rand_core = { version = "0.6", default-features = false }
 serde = { version = "1", optional = true, features = ["derive"] }
 thiserror = { version = "2.0", optional = true }
-frost-rerandomized = { version = "2.0.0-rc.0", optional = true, default-features = false, features = ["serialization", "cheater-detection"] }
+frost-rerandomized = { version = "2.1.0", optional = true, default-features = false, features = ["serialization", "cheater-detection"] }
 
 [dependencies.zeroize]
 version = "1"
@@ -50,7 +50,7 @@ rand_chacha = "0.3"
 serde_json = "1.0"
 num-bigint = "0.4.6"
 num-traits = "0.2.19"
-frost-rerandomized = { version = "2.0.0-rc.0", features = ["test-impl"] }
+frost-rerandomized = { version = "2.1.0", features = ["test-impl"] }
 
 # `alloc` is only used in test code
 [dev-dependencies.pasta_curves]