npc: Update to dragonfly v0.11

npc: Updated to dragonfly v0.10 (#5)

go.mod: Updated to dragonfly v0.8.6.

Merge remote-tracking branch 'origin/main'

# Conflicts:
#	go.mod
#	go.sum

go.mod: Updated to dragonfly v0.6.0.

npc/handler.go: Actually load the chunk at the position of the NPC, s…

…hould fix NPC entities despawning.

go.mod: Updated to dragonfly v0.5.0.