Update phpstan/phpstan-nette requirement from ^0.12.12 to ^0.12.14

Updates the requirements on [phpstan/phpstan-nette](https://github.com/phpstan/phpstan-nette) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan-nette/releases)
- [Commits](phpstan/phpstan-nette@0.12.12...0.12.14)

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

composer.json

@@ -31,7 +31,7 @@
         "phpstan/phpstan": "^0.12.78",
         "phpstan/phpstan-strict-rules": "^0.12.9",
         "pepakriz/phpstan-exception-rules": "^0.11.6",
-        "phpstan/phpstan-nette": "^0.12.12",
+        "phpstan/phpstan-nette": "^0.12.14",
         "nepada/phpstan-nette-tester": "^0.3.1",
         "spaze/phpstan-disallowed-calls": "^1.1",
         "phpstan/phpstan-mockery": "^0.12.12",