XSound 3.12.1

• Disconnect instance of GainNode for Dry parameter when deactivate
  • Chorus
  • Flanger
  • Phaser
• If DataTransfer does not have item, fix to return null (drop utility function)
• Update Node.js LTS version
• Update packages
  • Update ESLint to 9.x
    • Moreover, add some options and some rules
    • Fix ESLint disable comment for corresponding to ESLInt 9.x