Use namespaced Title class for MW master compatibility

Author: JeroenDeDauw

tests/Integration/EmbedFunctionIntegrationTest.php

@@ -54,7 +54,7 @@ public function testUsageIsTracked(): void {
 
 		$parser->parse(
 			'{{#embed:https://example.com/KITTENS.md}}',
-			\Title::newFromText( 'EmbedFunctionIntegrationTest' ),
+			\MediaWiki\Title\Title::newFromText( 'EmbedFunctionIntegrationTest' ),
 			new \ParserOptions( \User::newSystemUser( 'TestUser' ) )
 		)->getText();
 

tests/Integration/EmbedFunctionSystemTest.php

@@ -6,7 +6,7 @@
 
 use CommentStoreComment;
 use FileFetcher\StubFileFetcher;
-use Title;
+use MediaWiki\Title\Title;
 use User;
 use WikiPage;
 

tests/TestEnvironment.php

@@ -5,7 +5,7 @@
 namespace ProfessionalWiki\ExternalContent\Tests;
 
 use MediaWiki\MediaWikiServices;
-use Title;
+use MediaWiki\Title\Title;
 
 class TestEnvironment {