chore: release v0.22.0

[github-actions]

🤖 New release

• salsa-macro-rules: 0.21.1 -> 0.22.0 (⚠ API breaking changes)
• salsa-macros: 0.21.1 -> 0.22.0
• salsa: 0.21.1 -> 0.22.0 (⚠ API breaking changes)

⚠ salsa-macro-rules breaking changes

--- failure declarative_macro_missing: macro_rules declaration removed or renamed ---

Description:
A `macro_rules!` declarative macro cannot be invoked by its prior name. The macro may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/reference/macros-by-example.html#path-based-scope
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/declarative_macro_missing.ron

Failed in:
  macro maybe_cloned_ty, previously in file /tmp/.tmpNU0Hdk/salsa-macro-rules/src/maybe_clone.rs:24
  macro maybe_clone, previously in file /tmp/.tmpNU0Hdk/salsa-macro-rules/src/maybe_clone.rs:5

⚠ salsa breaking changes

--- failure trait_method_missing: pub trait method removed or renamed ---

Description:
A trait method is no longer callable, and may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#major-any-change-to-trait-item-signatures
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/trait_method_missing.ron

Failed in:
  method salsa_event of trait Database, previously in file /tmp/.tmpNU0Hdk/salsa/src/database.rs:17
  method salsa_event of trait Database, previously in file /tmp/.tmpNU0Hdk/salsa/src/database.rs:17

Changelog

salsa-macro-rules

0.22.0 - 2025-05-20

Other

• Remove default PartialOrd and Ord derives for salsa-structs (#868)
• Fix returns(deref | as_ref | as_deref) in tracked methods (#857)
• Changed return_ref syntax to returns(as_ref) and returns(cloned) (#772)
• Move salsa event system into Zalsa (#849)
• Add loom support (#842)
• Clean up some unsafety (#830)

salsa-macros

0.22.0 - 2025-05-20

Other

• Implement an !Update bound escape hatch for tracked fn (#867)
• Fix returns(deref | as_ref | as_deref) in tracked methods (#857)
• Changed return_ref syntax to returns(as_ref) and returns(cloned) (#772)
• Move salsa event system into Zalsa (#849)

salsa

0.22.0 - 2025-05-20

Fixed

• fix memo table growth condition (#850)
• incorrect caching for queries participating in fixpoint (#843)
• change detection for fixpoint queries (#836)

Other

• Implement an !Update bound escape hatch for tracked fn (#867)
• Only enable boxcar/loom when loom feature is enabled (#869)
• Remove default PartialOrd and Ord derives for salsa-structs (#868)
• update boxcar (#865)
• speed-up cycle-retry logic (#861)
• Fix returns(deref | as_ref | as_deref) in tracked methods (#857)
• Changed return_ref syntax to returns(as_ref) and returns(cloned) (#772)
• Work around a rust-analyzer bug (#855)
• Lazy finalization of cycle participants in maybe_changed_after (#854)
• Do not re-verify already verified memoized value in cycle verification (#851)
• Pass cycle heads as out parameter for maybe_changed_after (#852)
• Move salsa event system into Zalsa (#849)
• gate loom dependency under feature flag (#844)
• Add loom support (#842)
• Clean up some unsafety (#830)

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This PR was generated with release-plz.