build: Updating mediawiki/mediawiki-phan-config to 0.8.0

Bug: T235049
Change-Id: I202d0b41c217498b0697eb9237c9f18725b7224d

composer.json

@@ -4,7 +4,7 @@
 		"mediawiki/mediawiki-codesniffer": "28.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
 		"mediawiki/minus-x": "0.3.1",
-		"mediawiki/mediawiki-phan-config": "0.6.1"
+		"mediawiki/mediawiki-phan-config": "0.8.0"
 	},
 	"scripts": {
 		"test": [

src/MathMathML.php

@@ -30,6 +30,7 @@ class MathMathML extends MathRenderer {
 	/** @var string|bool */
 	private $pngPath = false;
 
+	/** @var string|null */
 	private $mathoidStyle;
 
 	public function __construct( $tex = '', $params = [] ) {
@@ -66,6 +67,9 @@ class MathMathML extends MathRenderer {
 		}
 	}
 
+	/**
+	 * @param array[] $tags
+	 */
 	public static function batchEvaluate( array $tags ) {
 		$rbis = [];
 		foreach ( $tags as $key => $tag ) {

src/MathRestbaseInterface.php

@@ -405,7 +405,7 @@ class MathRestbaseInterface {
 	}
 
 	/**
-	 * @return mixed
+	 * @return string
 	 */
 	public function getMathoidStyle() {
 		return $this->mathoidStyle;