Update build dependencies to latest versions

Update build dependencies to latest version, also use the 2021 Rust
edition. This is also the next version of `webhookey` with version
number 0.1.1.

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "webhookey"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["finga <webhookey@onders.org>"]
-edition = "2018"
+edition = "2021"
 license = "GPL-3.0-or-later"
 readme = "README.md"
 description = "Trigger scripts via http(s) requests"
@@ -15,18 +15,18 @@ rocket = "0.5.0-rc.1"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_yaml = "0.8"
-regex = "1.4"
-dirs = "3.0"
+regex = "1.5"
+dirs = "4.0"
 anyhow = "1.0"
 log = "0.4"
-env_logger = "0.8"
-nom = "6"
-hmac = "0.10"
+env_logger = "0.9"
+nom = "7"
+hmac = "0.11"
 sha2 = "0.9"
 hex = "0.4"
 ipnet = { version = "2.3", features = ["serde"] }
 thiserror = "1.0"
-run_script = "0.7"
+run_script = "0.9"
 clap = "3.0.0-beta.5"
 
 [package.metadata.deb]