Bump the cargo group across 1 directory with 2 updates

Bumps the cargo group with 2 updates in the / directory: [rgb](https://github.com/kornelski/rust-rgb) and [serde](https://github.com/serde-rs/serde).


Updates `rgb` from 0.8.37 to 0.8.47
- [Changelog](https://github.com/kornelski/rust-rgb/blob/main/CHANGELOG.md)
- [Commits](kornelski/rust-rgb@v0.8.37...v0.8.47)

Updates `serde` from 1.0.203 to 1.0.204
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.203...v1.0.204)

---
updated-dependencies:
- dependency-name: rgb
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo
...

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

Cargo.toml

@@ -14,7 +14,7 @@ lz4_flex = "0.11.3"
 parking_lot = "0.12"
 rayon = "1.10.0"
 rfd = "0.13.0"
-rgb = "0.8.37"
+rgb = "0.8.47"
 rmp-serde = "1.3.0"
 serde = "1.0"
 symphonia = { version = "^0.5", features = ["isomp4"] }