Update dependency find-cache-dir to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
find-cache-dir	^4.0.0 → ^6.0.0

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Release Notes

sindresorhus/find-cache-dir (find-cache-dir)

v6.0.0

Compare Source

Breaking

• Require Node.js 20 8e826b0
• Rename package from find-cache-dir to find-cache-directory 81a1286

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v5.0.0

Compare Source

Breaking

• Require Node.js 16 e14dff6
• Remove thunk option e14dff6
  • Just use path.join() on the result.
• The files option now only accepts an array of strings e14dff6
  • Previously, it accepted both an array or a string.

Improvements

• Add TypeScript type definitions (#​39) 213a339

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