Update to latest rayon

This is also a tiny perf win (2.467B instructions to 2.429B
instructions for slow_before.rs).

Cargo.lock

@@ -651,9 +651,9 @@ checksum = "59ffec9df464013295b499298811e6a3de31bf8128092135826517db12dee601"
 
 [[package]]
 name = "rayon"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
 dependencies = [
  "either",
  "rayon-core",
@@ -661,9 +661,9 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.10.1"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",

Cargo.toml

@@ -53,8 +53,7 @@ walkdir = "2.3.3"
 const_format = "0.2.22"
 owo-colors = "3.5.0"
 wu-diff = "0.1.2"
-# rayon 1.7 requires rust 1.59
+rayon = "1.7.0"
-rayon = "1.6.1"
 tree_magic_mini = "3.0.2"
 # bumpalo 3.12 requires rust 1.60
 bumpalo = "3.11.1"
@@ -75,7 +74,7 @@ pretty_assertions = "1.3.0"
 
 [build-dependencies]
 cc = "1.0.78"
-rayon = "1.6.1"
+rayon = "1.7.0"
 version_check = "0.9.4"
 
 [profile.release]