refactor: switch api and gateway to V8 (#4879)

Co-authored-by: Jan <66554238+Vaporox@users.noreply.github.com>

src/util/SystemChannelFlags.js

@@ -17,6 +17,12 @@ class SystemChannelFlags extends BitField {}
  * @param {SystemChannelFlagsResolvable} [bits=0] Bit(s) to read from
  */
 
+/**
+ * Bitfield of the packed bits
+ * @type {number}
+ * @name SystemChannelFlags#bitfield
+ */
+
 /**
  * Data that can be resolved to give a sytem channel flag bitfield. This can be:
  * * A string (see {@link SystemChannelFlags.FLAGS})