Update parsers

app/src/debug/java/org/koitharu/kotatsu/core/parser/DummyParser.kt

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.parser
 
 import java.util.*
+import org.koitharu.kotatsu.parsers.InternalParsersApi
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
@@ -9,6 +10,7 @@ import org.koitharu.kotatsu.parsers.model.*
 /**
  * This parser is just for parser development, it should not be used in releases
  */
+@OptIn(InternalParsersApi::class)
 class DummyParser(override val context: MangaLoaderContext) : MangaParser(MangaSource.DUMMY) {
 
 	override val configKeyDomain: ConfigKey.Domain
@@ -25,7 +27,7 @@ class DummyParser(override val context: MangaLoaderContext) : MangaParser(MangaS
 		offset: Int,
 		query: String?,
 		tags: Set<MangaTag>?,
-		sortOrder: SortOrder?
+		sortOrder: SortOrder,
 	): List<Manga> {
 		TODO("Not yet implemented")
 	}