Remove the vendor directory in .gitignore as these dependencies are needed for php-imap

plugins/php-imap/vendor/phpunit/phpunit/.phpstorm.meta.php

@@ -0,0 +1,33 @@
+<?php
+namespace PHPSTORM_META {
+
+    override(
+        \PHPUnit\Framework\TestCase::createMock(0),
+        map([""=>"$0"])
+    );
+
+    override(
+        \PHPUnit\Framework\TestCase::createStub(0),
+        map([""=>"$0"])
+    );
+
+    override(
+        \PHPUnit\Framework\TestCase::createConfiguredMock(0),
+        map([""=>"$0"])
+    );
+
+    override(
+        \PHPUnit\Framework\TestCase::createPartialMock(0),
+        map([""=>"$0"])
+    );
+
+    override(
+        \PHPUnit\Framework\TestCase::createTestProxy(0),
+        map([""=>"$0"])
+    );
+
+    override(
+        \PHPUnit\Framework\TestCase::getMockForAbstractClass(0),
+        map([""=>"$0"])
+    );
+}