bumb bundled onlyoffice parts to 6.4.2.6

Author: icewind1991

Makefile

@@ -14,10 +14,10 @@ clean:
 
 3rdparty/onlyoffice/documentserver:
 	mkdir -p 3rdparty/onlyoffice
-	docker create --name oo-extract onlyoffice/documentserver:6.3.1.32
+	docker create --name oo-extract onlyoffice/documentserver:6.4.2.6
 	docker cp oo-extract:/var/www/onlyoffice/documentserver 3rdparty/onlyoffice
 	docker rm oo-extract
-	rm -r 3rdparty/onlyoffice/documentserver/server/{SpellChecker,Common,DocService}
+	rm -r 3rdparty/onlyoffice/documentserver/server/{Common,DocService}
 	cd 3rdparty/onlyoffice/documentserver/server/FileConverter/bin && \
 		../../tools/allfontsgen \
 		--input="../../../core-fonts" \

lib/OnlyOffice/WebVersion.php

@@ -25,6 +25,6 @@
 
 class WebVersion {
 	public function getWebUIVersion(): string {
-		return '6.3.1';
+		return '6.4.2';
 	}
 }