Update quick-xml requirement from 0.28 to 0.29 (#1300)

Updates the requirements on [quick-xml](https://github.com/tafia/quick-xml) to permit the latest version.
- [Release notes](https://github.com/tafia/quick-xml/releases)
- [Changelog](https://github.com/tafia/quick-xml/blob/master/Changelog.md)
- [Commits](tafia/quick-xml@v0.28.0...v0.29.0)

---
updated-dependencies:
- dependency-name: quick-xml
  dependency-type: direct:production
...

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

sdk/core/Cargo.toml

@@ -28,7 +28,7 @@ reqwest = { version = "0.11", features = [
 ], default-features = false, optional = true }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-quick-xml = { version = "0.28", optional = true, features = ["serialize", "serde-types"] }
+quick-xml = { version = "0.29", optional = true, features = ["serialize", "serde-types"] }
 url = "2.2"
 uuid = { version = "1.0" }
 pin-project = "1.0"