message: unify parking_lot version
diff: @@ -14,6 +14,6 @@ hashlink = "0.7.0"
  arc-swap = "1.4.0"
  crossbeam-utils = { version = "0.8", default-features = false }
  log = "0.4.5"
  -parking_lot = "0.11.0"
  +parking_lot = "0.12.1"
  smallvec = "1.0.0"
  salsa-2022-macros = { path = "../salsa-2022-macros" }
  