Flight 3.0.6

Additions

• Add withCounts parameter to Invite.resolve.
• Add Invite.resolveAsync.

Changes

• Use JDA's CustomEmoji.ICON_URL when formatting URL in Emoji.
• Internal optimisations
  • Make use of *cache instances to avoid memory copying operations.
  • Reduce number of SnowflakeParsers in memory by storing a single static instance.
• Update JDA dependency to 5.0.0-beta.15.