feat: upgraded edition and removed lazy_static

Author: ikrivosheev

Cargo.toml

@@ -11,7 +11,8 @@ readme = "README.md"
 repository = "https://github.com/Hugal31/yara-rust"
 keywords = ["yara"]
 categories = ["api-bindings"]
-edition = "2018"
+edition = "2021"
+rust-version = "1.63"
 
 [features]
 default = ["bindgen", 'module-dotnet', 'module-dex', 'module-macho', 'module-hash', 'ndebug']
@@ -33,7 +34,6 @@ yara-static = ["yara-sys/yara-static"]
 [dependencies]
 bitflags = "2.2"
 thiserror = "1.0"
-lazy_static = "1.4"
 serde = { version = "1.0", features = ["derive"], optional = true }
 
 [dev-dependencies]

src/internals/mod.rs

@@ -1,6 +1,5 @@
 use std::sync::Mutex;
 
-use lazy_static::lazy_static;
 pub use yara_sys;
 
 use crate::errors::*;
@@ -23,9 +22,7 @@ mod rules;
 mod scan;
 mod stream;
 
-lazy_static! {
-    static ref INIT_MUTEX: Mutex<()> = Mutex::new(());
-}
+static INIT_MUTEX: Mutex<()> = Mutex::new(());
 
 /// Initialize the Yara library
 ///