Remove scrutinizer (#45)

* test: implement unit tests

* refactor: remove unused getClass function

* test: upgrade phpunit

* tidy: scrutinize this!

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Co-authored-by: Greg Bowler <greg.bowler@g105b.com>

Author: g105b

README.md

@@ -8,7 +8,7 @@ Throughout PHP.Gt repositories, wherever an object represents enclosed data, a c
 <a href="https://github.com/PhpGt/TypeSafeGetter/actions" target="_blank">
 	<img src="https://badge.status.php.gt/typesafegetter-build.svg" alt="Build status" />
 </a>
-<a href="https://scrutinizer-ci.com/g/PhpGt/TypeSafeGetter" target="_blank">
+<a href="https://app.codacy.com/gh/PhpGt/TypeSafeGetter" target="_blank">
 	<img src="https://badge.status.php.gt/typesafegetter-quality.svg" alt="Code quality" />
 </a>
 <a href="https://app.codecov.io/gh/PhpGt/TypeSafeGetter" target="_blank">