General housekeeping

- Updated dependencies
- Updated rust version in Dockerfile
- Updated workflow scripts to newer versions
- Replaced lazy_static with LazyLock
- Added descriptions to update behavior

spoticord_config/Cargo.toml

@@ -4,7 +4,6 @@ version = "2.2.0"
 edition = "2021"
 
 [dependencies]
-lazy_static = "1.5.0"
 rspotify = { version = "0.13.2", default-features = false, features = [
     "client-reqwest",
     "reqwest-rustls-tls",

spoticord_config/src/env.rs

@@ -1,14 +1,17 @@
-use lazy_static::lazy_static;
+use std::sync::LazyLock;
 
-lazy_static! {
-    pub static ref DISCORD_TOKEN: String =
-        std::env::var("DISCORD_TOKEN").expect("missing DISCORD_TOKEN environment variable");
-    pub static ref DATABASE_URL: String =
-        std::env::var("DATABASE_URL").expect("missing DATABASE_URL environment variable");
-    pub static ref LINK_URL: String =
-        std::env::var("LINK_URL").expect("missing LINK_URL environment variable");
-    pub static ref SPOTIFY_CLIENT_ID: String =
-        std::env::var("SPOTIFY_CLIENT_ID").expect("missing SPOTIFY_CLIENT_ID environment variable");
-    pub static ref SPOTIFY_CLIENT_SECRET: String = std::env::var("SPOTIFY_CLIENT_SECRET")
-        .expect("missing SPOTIFY_CLIENT_SECRET environment variable");
-}
+pub static DISCORD_TOKEN: LazyLock<String> = LazyLock::new(|| {
+    std::env::var("DISCORD_TOKEN").expect("missing DISCORD_TOKEN environment variable")
+});
+pub static DATABASE_URL: LazyLock<String> = LazyLock::new(|| {
+    std::env::var("DATABASE_URL").expect("missing DATABASE_URL environment variable")
+});
+pub static LINK_URL: LazyLock<String> =
+    LazyLock::new(|| std::env::var("LINK_URL").expect("missing LINK_URL environment variable"));
+pub static SPOTIFY_CLIENT_ID: LazyLock<String> = LazyLock::new(|| {
+    std::env::var("SPOTIFY_CLIENT_ID").expect("missing SPOTIFY_CLIENT_ID environment variable")
+});
+pub static SPOTIFY_CLIENT_SECRET: LazyLock<String> = LazyLock::new(|| {
+    std::env::var("SPOTIFY_CLIENT_SECRET")
+        .expect("missing SPOTIFY_CLIENT_SECRET environment variable")
+});