Update async-compression requirement from 0.3.15 to 0.4.5

Updates the requirements on [async-compression](https://github.com/Nullus157/async-compression) to permit the latest version.
- [Release notes](https://github.com/Nullus157/async-compression/releases)
- [Changelog](https://github.com/Nullus157/async-compression/blob/main/CHANGELOG.md)
- [Commits](Nullus157/async-compression@0.3.15...async-compression-v0.4.5)

---
updated-dependencies:
- dependency-name: async-compression
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

bmap-rs/Cargo.toml

@@ -17,7 +17,7 @@ nix = "0.26.1"
 flate2 = "1.0.24"
 clap = { version = "4.0.18", features = ["cargo"] }
 indicatif = { version = "0.17.1", features = ["tokio"] }
-async-compression = { version = "0.3.15", features = ["gzip", "futures-io"] }
+async-compression = { version = "0.4.5", features = ["gzip", "futures-io"] }
 tokio = { version = "1.21.2", features = ["rt", "macros", "fs", "rt-multi-thread"] }
 reqwest = { version = "0.11.12", features = ["stream"] }
 tokio-util = { version = "0.7.4", features = ["compat"] }