Loosen n cipher regex again (more 403s)

Author: devoxin

common/src/main/java/dev/lavalink/youtube/cipher/SignatureCipherManager.java

@@ -82,7 +82,7 @@ public class SignatureCipherManager {
   private static final Pattern timestampPattern = Pattern.compile("(signatureTimestamp|sts):(\\d+)");
   private static final Pattern nFunctionPattern = Pattern.compile(
       "function\\(\\s*(\\w+)\\s*\\)\\s*\\{" +
-          "var\\s*(\\w+)=(?:\\1\\.split\\(\"\"\\)|String\\.prototype\\.split\\.call\\(\\1,.*?\\))," +
+          "var\\s*(\\w+)=(?:\\1\\.split\\(.*?\\)|String\\.prototype\\.split\\.call\\(\\1,.*?\\))," +
           "\\s*(\\w+)=(\\[.*?]);\\s*\\3\\[\\d+]" +
           "(.*?try)(\\{.*?})catch\\(\\s*(\\w+)\\s*\\)\\s*\\{" +
           "\\s*return\"enhanced_except_([A-z0-9-]+)\"\\s*\\+\\s*\\1\\s*}" +