Update nepada/phpstan-nette-tester requirement from 0.3.1 to 0.3.2

Updates the requirements on nepada/phpstan-nette-tester to permit the latest version.

---
updated-dependencies:
- dependency-name: nepada/phpstan-nette-tester
  dependency-type: direct:development
...

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

composer.json

@@ -29,7 +29,7 @@
         "phpstan/phpstan": "0.12.99",
         "phpstan/phpstan-strict-rules": "0.12.10",
         "pepakriz/phpstan-exception-rules": "0.11.7",
-        "nepada/phpstan-nette-tester": "0.3.1",
+        "nepada/phpstan-nette-tester": "0.3.2",
         "spaze/phpstan-disallowed-calls": "1.9.0",
         "php-parallel-lint/php-parallel-lint": "1.3.1",
         "nepada/coding-standard": "7.4.0"