Upgrade dependencies

Cargo.toml

@@ -17,29 +17,29 @@ repository = "https://github.com/oblique/async-tftp-rs"
 [dependencies]
 thiserror = "1.0.22"
 bytes = "0.6.0"
-nom = "6.0.0"
+nom = "6.0.1"
 num-derive = "0.3.3"
 num-traits = "0.2.14"
 log = "0.4.11"
 
-async-trait = "0.1.41"
-async-io = "1.2.0"
+async-trait = "0.1.42"
+async-io = "1.3.1"
 async-mutex = "1.4.0"
 async-executor = "1.4.0"
 blocking = "1.0.2"
 futures-lite = "1.11.2"
 
 [dev-dependencies]
-anyhow = "1.0.34"
-structopt = "0.3.20"
+anyhow = "1.0.35"
+structopt = "0.3.21"
 rand = { version = "0.7.3", features = ["small_rng"] }
 md5 = "0.7.0"
 tempfile = "3.1.0"
 fern = "0.6.0"
 async-channel = "1.5.1"
 
 # deps for tftpd-targz.rs
-async-std = "1.7.0"
+async-std = "1.8.0"
 async-tar = "0.3.0"
 async-compression = { version = "0.3.6", features = ["gzip", "futures-io"] }