Bump infection/infection from 0.8.2 to 0.9.1

Bumps [infection/infection](https://github.com/infection/infection) from 0.8.2 to 0.9.1.
- [Release notes](https://github.com/infection/infection/releases)
- [Changelog](https://github.com/infection/infection/blob/master/CHANGELOG.md)
- [Commits](infection/infection@0.8.2...0.9.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-support

composer.json

@@ -12,7 +12,7 @@
     "php": "^7.2",
     "clue/block-react": "^1.1",
     "friendsofphp/php-cs-fixer": "^2.5",
-    "infection/infection": "^0.8.2",
+    "infection/infection": "^0.9.1",
     "jakub-onderka/php-console-highlighter": "^0.3.2",
     "jakub-onderka/php-parallel-lint": "^0.9.2",
     "localheinz/composer-normalize": "^0.1.0",