message: Update the minimal parking_lot_core version
diff: @@ -40,6 +40,7 @@ libc = "0.2"
  log = "0.4"
  libgit2-sys = "0.7.5"
  num_cpus = "1.0"
  +parking_lot_core = "0.2.11" # required only for minimal-versions. brought in by crossbeam.
  rustfix = "0.4"
  same-file = "1"
  semver = { version = "0.9.0", features = ["serde"] }
  