1.21.6 dev

Co-authored-by: Bjarne Koll <git@lynxplay.dev>
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Co-authored-by: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com>
Co-authored-by: Noah van der Aa <ndvdaa@gmail.com>
Co-authored-by: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>

paper-server/patches/sources/net/minecraft/network/codec/ByteBufCodecs.java.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/network/codec/ByteBufCodecs.java
 +++ b/net/minecraft/network/codec/ByteBufCodecs.java
-@@ -389,6 +_,48 @@
+@@ -435,6 +_,48 @@
          };
      }