Update miette requirement from 5.10.0 to 7.0.0 (#81)

* Update miette requirement from 5.10.0 to 7.0.0
* Bump nix dependency to 0.28.0

* Bump MSRV to 1.70
* Bump version to 0.15.0

* Fix redundant import

Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "tokio-graceful-shutdown"
 authors = ["Finomnis <finomnis@gmail.com>"]
-version = "0.14.3"
+version = "0.15.0"
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.70"
 license = "MIT OR Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/Finomnis/tokio-graceful-shutdown"
@@ -33,7 +33,7 @@ tokio-util = { version = "0.7.10", default-features = false }
 
 pin-project-lite = "0.2.13"
 thiserror = "1.0.49"
-miette = "5.10.0"
+miette = "7.0.0"
 async-trait = "0.1.73"
 atomic = "0.6.0"
 bytemuck = { version = "1.14.0", features = ["derive"] }
@@ -42,7 +42,7 @@ bytemuck = { version = "1.14.0", features = ["derive"] }
 # Error propagation
 anyhow = "1.0.75"
 eyre = "0.6.8"
-miette = { version = "5.10.0", features = ["fancy"] }
+miette = { version = "7.2.0", features = ["fancy"] }
 
 # Logging
 tracing-subscriber = "0.3.17"
@@ -63,12 +63,13 @@ tower = ">= 0.4.1"         # Required to fix minimal-versions
 
 # Warp example
 warp = "0.3.6"
-headers = ">= 0.3.5"          # Required to fix minimal-versions
-serde_urlencoded = ">= 0.7.1" # Required to fix minimal-versions
+headers = ">= 0.3.5"           # Required to fix minimal-versions
+serde_urlencoded = ">= 0.7.1"  # Required to fix minimal-versions
+unicode-linebreak = ">= 0.1.5" # Required to fix minimal-versions
 
 # For testing unix signals
 [target.'cfg(unix)'.dev-dependencies]
-nix = { version = "0.27.1", default-features = false, features = ["signal"] }
+nix = { version = "0.28.0", default-features = false, features = ["signal"] }
 
 # Make leak sanitizer more reliable
 [profile.dev]

src/subsystem/subsystem_handle/tests.rs

@@ -1,7 +1,6 @@
 use tokio::time::{sleep, timeout, Duration};
 
 use super::*;
-use crate::subsystem::SubsystemBuilder;
 
 #[tokio::test]
 async fn recursive_cancellation() {