Update criterion requirement from 0.5 to 0.6

Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version.
- [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md)
- [Commits](bheisler/criterion.rs@0.5.0...0.6.0)

---
updated-dependencies:
- dependency-name: criterion
  dependency-version: 0.6.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

html5ever/Cargo.toml

@@ -22,7 +22,7 @@ markup5ever = { version = "0.16", path = "../markup5ever" }
 match_token = { workspace = true }
 
 [dev-dependencies]
-criterion = "0.5"
+criterion = "0.6"
 typed-arena = "2.0.2"
 
 [[bench]]

xml5ever/Cargo.toml

@@ -23,7 +23,7 @@ mac = "0.1"
 markup5ever = { version = "0.16", path = "../markup5ever" }
 
 [dev-dependencies]
-criterion = "0.5"
+criterion = "0.6"
 
 [[bench]]
 name = "xml5ever"