refactor: Centralizee cargo-update styling

Author: epage

src/cargo/ops/cargo_update.rs

@@ -1058,11 +1058,11 @@ impl PackageChangeKind {
 
     pub fn style(&self) -> anstyle::Style {
         match self {
-            Self::Added => style::NOTE,
-            Self::Removed => style::ERROR,
-            Self::Upgraded => style::GOOD,
-            Self::Downgraded => style::WARN,
-            Self::Unchanged => anstyle::Style::new().bold(),
+            Self::Added => style::UPDATE_ADDED,
+            Self::Removed => style::UPDATE_REMOVED,
+            Self::Upgraded => style::UPDATE_UPGRADED,
+            Self::Downgraded => style::UPDATE_DOWNGRADED,
+            Self::Unchanged => style::UPDATE_UNCHANGED,
         }
     }
 }

src/cargo/util/style.rs

@@ -12,3 +12,9 @@ pub const GOOD: Style = AnsiColor::BrightGreen.on_default().effects(Effects::BOL
 pub const VALID: Style = AnsiColor::BrightCyan.on_default().effects(Effects::BOLD);
 pub const INVALID: Style = annotate_snippets::renderer::DEFAULT_WARNING_STYLE;
 pub const TRANSIENT: Style = annotate_snippets::renderer::DEFAULT_HELP_STYLE;
+
+pub const UPDATE_ADDED: Style = NOTE;
+pub const UPDATE_REMOVED: Style = ERROR;
+pub const UPDATE_UPGRADED: Style = GOOD;
+pub const UPDATE_DOWNGRADED: Style = WARN;
+pub const UPDATE_UNCHANGED: Style = anstyle::Style::new().bold();