Laravel 7.x Shift (#3011)

* Apply Laravel coding style
* Shift bindings
* Shift core files
* Shift to Throwable
* Add laravel/ui dependency
* Shift Eloquent methods
* Shift config files
* Shift Laravel dependencies
* Shift cleanup
* Shift test config and references
* Applied styleci changes
* Applied fixes post shift to laravel 7

Co-authored-by: Shift <shift@laravelshift.com>

tests/Entity/BookTest.php

@@ -187,7 +187,7 @@ class BookTest extends TestCase
             'name' => 'информация',
         ]);
 
-        $this->assertEquals('informatsiya', $book->slug);
+        $this->assertEquals('informaciya', $book->slug);
 
         $book = $this->newBook([
             'name' => '¿Qué?',