Make cache type less strict

[klzns]

I'm using mnemonist/lru-map to store the cache in my node project, like so:

import { find, setCache } from 'geo-tz/dist/find-all';
import LRUMap from 'mnemonist/lru-map';

// geo-tz can hold a total of 21,000 items in memory, costing 1.5GB when full
// The LRUMap of 5,000 items limits its size to ~400MB
const cacheStore = new LRUMap(5000);

// We need to type-cast because the expected type is a Map
// but it only expects a map-like entity with get and set methods
setCache({ store: cacheStore as unknown as Map<string, any> });

I would like to remove this type-casting, otherwise, I get this error:

I created this PR to relax the cache type to something that accepts another map-like entity like the LRUMap.

After the changes introduced by this PR, my code looks like this instead:

import { find, setCache } from 'geo-tz/dist/find-all';
import LRUMap from 'mnemonist/lru-map';

// geo-tz can hold a total of 21,000 items in memory, costing 1.5GB when full
// The LRUMap of 5,000 items limits its size to ~400MB
const cacheStore = new LRUMap(5000);

setCache({ store: cacheStore });

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.84%. Comparing base (6076f79) to head (5c17961).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #179      +/-   ##
==========================================
- Coverage   89.41%   83.84%   -5.58%     
==========================================
  Files           7        7              
  Lines         359      359              
  Branches       63       63              
==========================================
- Hits          321      301      -20     
  Misses         36       36              
- Partials        2       22      +20     

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[evansiroky]

The code seems good to me, but please revise your commits to use Conventional Commits.

[klzns]

@evansiroky ops, fixed!

[evansiroky]

🎉 This PR is included in version 8.1.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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