libndpi: update to version 5.0

[utoni]

📦 Package Details

Maintainer: @utoni

Description:
update nDPI to the most recent release (Nov 2025)

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🧪 Run Testing Details

• OpenWrt Version: 24.10.2, r28739-d9340319c6
• OpenWrt Target/Subtarget: mvebu / cortexa9
• OpenWrt Device: Linksys WRT3200ACM

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✅ Formalities

• I have reviewed the CONTRIBUTING.md file for detailed contributing guidelines.

If your PR contains a patch:

• [] It can be applied using git am
• [] It has been refreshed to avoid offsets, fuzzes, etc., using

  make package/<your-package>/refresh V=s

• [] It is structured in a way that it is potentially upstreamable
  _{(e.g., subject line, commit description, etc.)
  We must try to upstream patches to reduce maintenance burden.}