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:
463412a0 #3961: Bump org.junit.jupiter:junit-jupiter from 5.14.3 to 6.0.3
1d0c35bf #3960: Bump org.jline:jline from 3.30.9 to 4.0.7
4fdd71c9 #3959: Bump org.codehaus.mojo:extra-enforcer-rules from 1.11.0 to 1.12.0
19c967d1 Bump com.puppycrawl.tools:checkstyle from 9.3 to 12.3.1
290c23ef Allow JUnit and JLine upgrades
d75d9e8c Enforce dependency bytecode versions
1ecf942c Require Java 17
feeaf073 Bump version to 26.1-R0.1-SNAPSHOT
1ca1e9f0 #3957: Bump org.jline:jline from 3.30.8 to 3.30.9
68a192af Minecraft 26.1-rc-2 support

Author: electronicboy