Bump infection/infection from 0.20.2 to 0.21.0

Bumps [infection/infection](https://github.com/infection/infection) from 0.20.2 to 0.21.0.
- [Release notes](https://github.com/infection/infection/releases)
- [Changelog](https://github.com/infection/infection/blob/master/CHANGELOG.md)
- [Commits](infection/infection@0.20.2...0.21.0)

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

Author: dependabot-preview[bot]

composer.json

@@ -38,7 +38,7 @@
         "doctrine/coding-standard":     "^8.1.0",
         "nikic/php-parser":             "^4.6.0",
         "phpbench/phpbench":            "^0.17.1 || 1.0.0-alpha2",
-        "infection/infection":          "^0.20.2",
+        "infection/infection":          "^0.21.0",
         "vimeo/psalm":                  "^4.4.1",
         "codelicia/xulieta":            "^0.1.5"
     },