Drop once_cell dependency

It's now part of the standard library :D

Cargo.lock

@@ -344,7 +344,6 @@ dependencies = [
  "jiff",
  "linkify",
  "log",
- "once_cell",
  "open",
  "parking_lot",
  "rusqlite",

Cargo.toml

@@ -17,7 +17,6 @@ edit = "0.1.5"
 jiff = "0.2.1"
 linkify = "0.10.0"
 log = { version = "0.4.25", features = ["std"] }
-once_cell = "1.20.2"
 open = "5.3.2"
 parking_lot = "0.12.3"
 proc-macro2 = "1.0.93"

cove/Cargo.toml

@@ -17,7 +17,6 @@ euphoxide.workspace = true
 jiff.workspace = true
 linkify.workspace = true
 log.workspace = true
-once_cell.workspace = true
 open.workspace = true
 parking_lot.workspace = true
 rusqlite.workspace = true

cove/src/euph/util.rs

@@ -1,9 +1,10 @@
+use std::sync::LazyLock;
+
 use crossterm::style::{Color, Stylize};
 use euphoxide::Emoji;
-use once_cell::sync::Lazy;
 use toss::{Style, Styled};
 
-pub static EMOJI: Lazy<Emoji> = Lazy::new(Emoji::load);
+pub static EMOJI: LazyLock<Emoji> = LazyLock::new(Emoji::load);
 
 /// Convert HSL to RGB following [this approach from wikipedia][1].
 ///