ipfilter-v4.4

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Big thanks to every one who donated in the past! ❤️

Changes:

• Updated GeoLite2 database download handling to account for breaking API
  change MaxMind will start enforcing on 05/01/24 (new download URL, basic
  authentication using account ID + license; see this link for details)
• Applied additional minor changes (script, README.md, CHANGELOG.md)