Bump quick-xml from 0.29.0 to 0.30.0 (Qiskit#938)

Bumps [quick-xml](https://github.com/tafia/quick-xml) from 0.29.0 to 0.30.0.
- [Release notes](https://github.com/tafia/quick-xml/releases)
- [Changelog](https://github.com/tafia/quick-xml/blob/master/Changelog.md)
- [Commits](tafia/quick-xml@v0.29.0...v0.30.0)

---
updated-dependencies:
- dependency-name: quick-xml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -31,7 +31,7 @@ num-traits = "0.2"
 num-bigint = "0.4"
 num-complex = "0.4"
 ndarray-stats = "0.5.1"
-quick-xml = "0.29"
+quick-xml = "0.30"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 rustworkx-core = { path = "rustworkx-core", version = "=0.14.0" }