Update dependency cachetools to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
cachetools	~=5.5.2 -> ~=6.2.1

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Release Notes

tkem/cachetools (cachetools)

v6.2.1

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• Add support for Python 3.14.

• Improve documentation.

• Update CI environment.

v6.2.0

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• Improve general RRCache performance by storing cache keys in an additional sequence container. Note that this will increase memory consumption.

• Add more unit tests.

v6.1.0

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• Improve LFUCache insertion performance by switching to an implementation based on the cacheing <https://pypi.org/project/cacheing/>_ library.

• Update CI environment.

v6.0.0

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• Require Python 3.9 or later (breaking change).

• Remove MRUCache and the @func.mru_cache decorator (breaking change).

• Add an optional condition parameter to the @cached and @cachedmethod decorators, which, when used with a threading.Condition instance, should improve cache stampede <https://en.wikipedia.org/wiki/Cache_stampede>_ issues in massively parallel environments. Note that this will inflict some performance penalty, and therefore has to be enabled explicitly.

• Convert the cachetools.func decorators to use a threading.Condition instance to deal with cache stampede <https://en.wikipedia.org/wiki/Cache_stampede>_ issues. Note that this may result in a noticable performance degradation, depending on your actual use case.

• Deprecate support for cache(self) returning None to suppress caching with the @cachedmethod decorator.

• Improve documentation.

• Update CI environment.

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[pidydx]

Hey folks! I just ran into a blocker due to this dependency being out of date and came here to see it it could be updated and found there is already a recent renovate PR for exactly that! If this can be merged and a release pushed it would be a huge help. Thanks!