build(deps): bump rfd from 0.15.4 to 0.16.0

Bumps [rfd](https://github.com/PolyMeilex/rfd) from 0.15.4 to 0.16.0.
- [Release notes](https://github.com/PolyMeilex/rfd/releases)
- [Changelog](https://github.com/PolyMeilex/rfd/blob/master/CHANGELOG.md)
- [Commits](PolyMeilex/rfd@0.15.4...0.16.0)

---
updated-dependencies:
- dependency-name: rfd
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -82,7 +82,7 @@ wasm-bindgen = "=0.2.101"
 walkdir = "2.5.0"
 tokio = "1.48.0"
 # Switching from the `async-std` to the `tokio` runtime, which we depend on anyway.
-rfd = { version = "0.15.4", default-features = false, features = ["tokio", "xdg-portal"] }
+rfd = { version = "0.16.0", default-features = false, features = ["tokio", "wayland", "xdg-portal"] }
 memmap2 = "0.9.9"
 libtest-mimic = "0.8.1"
 regex = "1.12.2"