lookup: remove leveldown

[MikeMcC399]

• relates to Archived (unsupported) packages - JSONStream, leveldown & q etc. #1113

Situation

leveldown is deprecated and unsupported. It cannot therefore fulfil the Hard Requirements:

The maintainers of the module remain responsive when there are problems

Item	Status
npm package	https://www.npmjs.com/package/leveldown
npm status	deprecated
last published	6.1.1 Mar 25, 2022
repo location	https://github.com/Level/leveldown
repo status	archived on Dec 1, 2024
lookup maintainer(s)	ralphtheninja vweevers

Author message

Superseded by classic-level (https://github.com/Level/community#faq)

It fails in macos and windows GitHub Actions runners for each supported Node.js version.

Node.js	npm	macos	ubuntu	windows
22.23.1	10.9.8	fail	pass	fail
24.19.0	11.17.0	fail	pass	fail
26.7.0	11.19.0	fail	pass	fail
26.7.0	12.0.2	-	pass	-

It also uses a deprecated API DEP0060

Change

Remove leveldown from lib/lookup.json

Checklist

• npm test passes
• contribution guidelines followed
  here

cc: @ralphtheninja @vweevers

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.33%. Comparing base (1c00f12) to head (a950de3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1122   +/-   ##
=======================================
  Coverage   96.33%   96.33%           
=======================================
  Files          29       29           
  Lines        2213     2213           
=======================================
  Hits         2132     2132           
  Misses         81       81           

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