docs(changelog): update for v1.28.2 release

Author: rami3l

CHANGELOG.md

@@ -49,6 +49,7 @@ The headlines of this release are:
 - Add powerpc64le-unknown-linux-musl support by @Gelbpunkt in https://github.com/rust-lang/rustup/pull/4294
 - Use `RUSTUP_HARDLINK_PROXIES` environment variable to hard link proxies by @ChrisDenton in https://github.com/rust-lang/rustup/pull/4295
 - Switch flate2 to use the zlib-rs backend by @joshtriplett in https://github.com/rust-lang/rustup/pull/4297
+- feat(cli/rustup-mode): add aliases to `rustup component remove` by @rami3l in https://github.com/rust-lang/rustup/pull/4304
 
 [1.28.2]: https://github.com/rust-lang/rustup/releases/tag/1.28.2
 [pr#4254]: https://github.com/rust-lang/rustup/pull/4254