Add support for Laravel 7

Author: Sti3bas

composer.json

@@ -8,13 +8,13 @@
         "email": "[email protected]"
     }],
     "require": {
-        "php": "^7.1.3",
-        "laravel/scout": "7.*",
-        "illuminate/database": "~5.4|^6.0",
-        "illuminate/support": "~5.4|^6.0"
+        "php": "^7.2",
+        "laravel/scout": "8.*",
+        "illuminate/database": "^6.0|^7.0",
+        "illuminate/support": "^6.0|^7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~6.0",
+        "phpunit/phpunit": "^8.0",
         "mockery/mockery": "~1.0"
     },
     "autoload": {

phpunit.xml.dist

@@ -8,7 +8,6 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
 >
     <testsuites>
         <testsuite name="Package Test Suite">

tests/Engines/ArrayEngineTest.php

@@ -182,7 +182,7 @@ public function it_can_update_soft_deletable_records_in_the_index()
             'scoutKey' => 234,
         ];
 
-        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01 12:00:00', '__soft_deleted' => 1], $engine->search($builder1)['hits'][0]);
+        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01T12:00:00.000000Z', '__soft_deleted' => 1], $engine->search($builder1)['hits'][0]);
         $this->assertEquals(['foo' => 'bar', 'objectID' => '234', 'scoutKey' => 234, '__soft_deleted' => 0], $engine->search($builder2)['hits'][0]);
     }
 
@@ -207,7 +207,7 @@ public function it_will_not_push_soft_delete_metadata_when_updating_if_its_not_e
             'scoutKey' => 234,
         ];
 
-        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01 12:00:00'], $engine->search($builder1)['hits'][0]);
+        $this->assertEquals(['foo' => 'bar', 'objectID' => '123', 'scoutKey' => 123, 'deleted_at' => '2019-01-01T12:00:00.000000Z'], $engine->search($builder1)['hits'][0]);
         $this->assertEquals(['foo' => 'bar', 'objectID' => '234', 'scoutKey' => 234], $engine->search($builder2)['hits'][0]);
     }