Updated Upstream (BungeeCord)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

BungeeCord Changes:
77b81f26 Bump Netty to 4.1.119.Final
fa6d4773 Bump version to 1.21-R0.2-SNAPSHOT
252e7b00 Release 1.21-R0.1
c820b3a0 Minecraft 1.21.5 support
687c3026 Add WriteTimeoutHandler
4b026231 #3805: Remove redundant PluginMessage handler in InitialHandler
6f13c2d6 Minecraft 1.21.5-rc1 protocol support
cd186999 Minecraft 1.21.5-pre3 protocol support
e3c7fd8c #3801: Add support for 1.21.5-pre2
9476ffcc #3797: Expose sendPacketQueued to unsafe interface
47f8c29a Minecraft 25w10a protocol support
45824650 Don't attempt to read packets after channel is closed/closing
362bd0f4 #3794: Ensure listType is set to compound tag when wrapping tags
598d73e6 Minecraft 25w09b protocol support

Author: electronicboy