Update dependencies (#174)

* Update deps

* Update CHANGELOG

* Use PR #

Author: Jake-Shadle

CHANGELOG.md

@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
+### Changed
+- [PR#174](https://github.com/EmbarkStudios/cargo-about/pull/174) updated dependencies, including `tokio` to fix an [advisory](https://rustsec.org/advisories/RUSTSEC-2021-0124).
+
 ## [0.4.1] - 2021-11-01
 ### Added
 - [PR#172](https://github.com/EmbarkStudios/cargo-about/pull/172) resolved [#171](https://github.com/EmbarkStudios/cargo-about/issues/171) by adding support for ignoring private workspace crates.