Bump uniffi from 0.29.3 to 0.29.4 (#825)

Bumps [uniffi](https://github.com/mozilla/uniffi-rs) from 0.29.3 to 0.29.4.
- [Changelog](https://github.com/mozilla/uniffi-rs/blob/main/CHANGELOG.md)
- [Commits](mozilla/uniffi-rs@v0.29.3...v0.29.4)

---
updated-dependencies:
- dependency-name: uniffi
  dependency-version: 0.29.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -69,7 +69,7 @@ tokio-stream = "0.1.17"
 toml = "0.8"
 trybuild = "1.0"
 unic-langid = "0.9"
-uniffi = "0.29.3"
+uniffi = "0.29.4"
 url = "2.5"
 uuid = "1.17"
 x509-cert = "0.3.0-pre.0"