build: Updating mediawiki/mediawiki-phan-config to 0.10.4

Change-Id: Ib13599ba7d70606237dfa0fe29da5a73ef24092d

composer.json

@@ -1,7 +1,7 @@
 {
 	"require-dev": {
 		"mediawiki/mediawiki-codesniffer": "33.0.0",
-		"mediawiki/mediawiki-phan-config": "0.10.3",
+		"mediawiki/mediawiki-phan-config": "0.10.4",
 		"mediawiki/minus-x": "1.1.0",
 		"php-parallel-lint/php-console-highlighter": "0.5.0",
 		"php-parallel-lint/php-parallel-lint": "1.2.0"