[cache] Support cache location in config

[Nick2bad4u]

Enhancement

Would be nice if I could choose a cache location like .cache/ to output to instead of the current dir only. (Unless theres a way to do so now that I don't know?)

[ildyria]

that should be easy to implement.

[Nick2bad4u]

that should be easy to implement.

I can try and send a pr if you want.

[ildyria]

Up to you, I was planning to do it a bit later.
https://github.com/LycheeOrg/Lychee/blob/master/config/cache.php#L55
This is the line that need to change.

[ildyria]

#4503

[Nick2bad4u]

Thanks for the fast response and quick PR!

Cheers. I'll update the the schema store to support the new field once released.