build(deps): bump thiserror from 1.0.68 to 2.0.0 (#7462)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.68 to 2.0.0.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.68...2.0.0)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

program/Cargo.toml

@@ -19,7 +19,7 @@ num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.3"
 solana-program = "2.1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 lazy_static = "1.5.0"