Allow laravel 8 support

composer.json

@@ -3,12 +3,13 @@
   "description": "Easily filter eloquent models",
   "type": "library",
   "require": {
-    "illuminate/database": "^7.0",
-    "illuminate/support": "^7.0"
+    "illuminate/database": "^7.0|^8.0",
+    "illuminate/support": "^7.0|^8.0"
   },
   "require-dev": {
-    "orchestra/testbench": "^5.3",
-    "nesbot/carbon": "^2.35"
+    "orchestra/testbench": "^6.0.0",
+    "nesbot/carbon": "^2.39",
+    "laravel/legacy-factories": "^1.0"
   },
   "license": "MIT",
   "authors": [

phpunit.xml

@@ -1,22 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-        backupStaticAttributes="false"
-        bootstrap="vendor/autoload.php"
-        colors="true"
-        convertErrorsToExceptions="true"
-        convertNoticesToExceptions="true"
-        convertWarningsToExceptions="true"
-        processIsolation="false"
-        stopOnFailure="false"
-        >
-    <testsuites>
-        <testsuite name="Package Test Suite">
-            <directory>tests/</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src/</directory>
-        </whitelist>
-    </filter>
-</phpunit>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" backupStaticAttributes="false" bootstrap="vendor/autoload.php" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory suffix=".php">src/</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Package Test Suite">
+      <directory>tests/</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>