[ruff-0.8] [ruff] Stabilise unsorted-dunder-all and `unsorted-dun…

…der-slots` (#14468)

## Summary

These rules were implemented in January, have been very stable, and have
no open issues about them. They were highly requested by the community
prior to being implemented. Let's stabilise them!

## Test Plan

Ecosystem check on this PR.

crates/ruff_linter/src/codes.rs

@@ -961,8 +961,8 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Ruff, "019") => (RuleGroup::Stable, rules::ruff::rules::UnnecessaryKeyCheck),
         (Ruff, "020") => (RuleGroup::Stable, rules::ruff::rules::NeverUnion),
         (Ruff, "021") => (RuleGroup::Stable, rules::ruff::rules::ParenthesizeChainedOperators),
-        (Ruff, "022") => (RuleGroup::Preview, rules::ruff::rules::UnsortedDunderAll),
-        (Ruff, "023") => (RuleGroup::Preview, rules::ruff::rules::UnsortedDunderSlots),
+        (Ruff, "022") => (RuleGroup::Stable, rules::ruff::rules::UnsortedDunderAll),
+        (Ruff, "023") => (RuleGroup::Stable, rules::ruff::rules::UnsortedDunderSlots),
         (Ruff, "024") => (RuleGroup::Stable, rules::ruff::rules::MutableFromkeysValue),
         (Ruff, "026") => (RuleGroup::Stable, rules::ruff::rules::DefaultFactoryKwarg),
         (Ruff, "027") => (RuleGroup::Preview, rules::ruff::rules::MissingFStringSyntax),

crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_default_type_args.rs

@@ -46,7 +46,7 @@ use crate::checkers::ast::Checker;
 ///
 /// ## Fix safety
 /// This rule's fix is marked as safe, unless the type annotation contains comments.
-/// 
+///
 /// ## Options
 /// - `target-version`
 ///