Fix BC break

Author: ondrejmirtes

src/Command/AnalysisResult.php

@@ -161,6 +161,15 @@ public function resultCacheExisted(): bool
 		return $this->resultCacheExisted;
 	}
 
+	/**
+	 * @deprecated
+	 * @return array<string, string>
+	 */
+	public function getChangedProjectExtensionFilesOutsideOfAnalysedPaths(): array
+	{
+		return [];
+	}
+
 	/**
 	 * @return list<string>
 	 */