Resolve some deprecations and remove igorw/get-in dependency (#1257)

* Remove `igorw/get-in` dependency to simplify code

* Fix phpunit deprecation

* Simplify phpunit's `->will($this->returnValue())` with `->willReturn()`

* Simplify phpunit's `->will($this->returnCallback())` with `->willReturnCallback()`

* Fix deprecated mock builder `setMethds` with `createPartialMock`

* Remove deprecated phpstan `checkGenericClassInNonGenericObjectType` option

* Bump phpunit to 9.6

---------

Co-authored-by: Jonathan Beliën <jbelien@users.noreply.github.com>

Author: norkunas

Tests/TimedGeocoderTest.php

@@ -47,7 +47,7 @@ public function testGeocode(): void
     {
         $this->delegate->expects($this->once())
              ->method('geocodeQuery')
-             ->will($this->returnValue(new AddressCollection([])));
+             ->willReturn(new AddressCollection([]));
 
         $this->geocoder->geocode('foo');
 
@@ -74,7 +74,7 @@ public function testReverse(): void
     {
         $this->delegate->expects($this->once())
              ->method('reverseQuery')
-             ->will($this->returnValue(new AddressCollection([])));
+             ->willReturn(new AddressCollection([]));
 
         $this->geocoder->reverse(0, 0);
 

composer.json

@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "nyholm/nsa": "^1.1",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^9.6.11",
         "symfony/stopwatch": "~2.5 || ~5.0 || ~7.0"
     },
     "suggest": {