Update thiserror from 1.0.69 to 2.0.3

Summary:
Release notes:

- https://github.com/dtolnay/thiserror/releases/tag/2.0.0
- https://github.com/dtolnay/thiserror/releases/tag/2.0.1
- https://github.com/dtolnay/thiserror/releases/tag/2.0.2
- https://github.com/dtolnay/thiserror/releases/tag/2.0.3

Reviewed By: zertosh

Differential Revision: D66562325

fbshipit-source-id: 9b4b0dd517c180b1856ce0dc9be3eb84d686c2b7

Cargo.toml

@@ -32,6 +32,6 @@ phf = { version = "0.11", features = ["macros"] }
 regex = "1.9.2"
 rust_to_ocaml_attr = { path = "vendor/ocaml/interop/rust_to_ocaml/rust_to_ocaml_attr" }
 serde = { version = "1.0.185", features = ["derive", "rc"] }
-thiserror = "1.0.64"
+thiserror = "2"
 tree-sitter = "0.20.8"
 tree_sitter_python = { path = "vendor/tree-sitter-python" }

vendor/ocaml/interop/signed_source/Cargo.toml

@@ -17,4 +17,4 @@ hex = "0.4.3"
 md-5 = "0.10"
 once_cell = "1.12"
 regex = "1.9.2"
-thiserror = "1.0.64"
+thiserror = "2"