Update thiserror requirement from 1.0.63 to 2.0.3

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@1.0.63...2.0.3)

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

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

Cargo.toml

@@ -176,7 +176,7 @@ sha2 = "0.10.8"
 syn = "2.0.77"
 syntect = { version = "5.2.0", default-features = false }
 tempfile = "3.12.0"
-thiserror = "1.0.63"
+thiserror = "2.0.3"
 time = "0.3.36"
 tokio = { version = "1.40.0", features = ["full"] }
 toml = "0.8.19"

crates/valence_nbt/Cargo.toml

@@ -27,7 +27,7 @@ cesu8 = { version = "1.1.0", optional = true }
 indexmap = { version = "2.2.6", optional = true }
 java_string = { version = "0.1.2", path = "../java_string", optional = true }
 serde = { version = "1.0.200", features = ["derive"], optional = true }
-thiserror = { version = "1.0.59", optional = true }
+thiserror = { version = "2.0.3", optional = true }
 uuid = { version = "1.8.0", optional = true }
 valence_ident = { version = "0.2.0-alpha.1", optional = true }