deps(deps): update cachetools requirement from ^5.0 to ^7.0

[dependabot]

Updates the requirements on cachetools to permit the latest version.

Changelog

Sourced from cachetools's changelog.

v7.0.5 (2026-03-09)

• Minor @cachedmethod performance improvements.

v7.0.4 (2026-03-08)

• Fix and properly document @cachedmethod.cache_key behavior.

• Minor documentation improvements.

v7.0.3 (2026-03-05)

• Fix DeprecationWarning when creating an autospec mock with @cachedmethod decorations.

v7.0.2 (2026-03-02)

• Provide more efficient clear() implementation for all support Cache classes (courtesy Josep Pon Farreny).

v7.0.1 (2026-02-10)

• Various test improvements.

• Update Copilot Instructions.

v7.0.0 (2026-02-01)

• Require Python 3.10 or later (breaking change).

• Drop support for passing info as fourth positional parameter to @cached (breaking change).

• Drop support for cache(self) returning None with @cachedmethod (breaking change).

• Convert the @cachedmethod wrappers to descriptors, deprecating its use with class methods and instances that do not provide a mutable __dict__ attribute (potentially breaking change).

... (truncated)

Commits

• 5dce86f Release v7.0.5.
• af5e688 Minor @​cachedmethod performance improvements.
• 0ca75e6 Relase v7.0.4.
• 5b1fa39 Prepare v7.0.4.
• 18e5930 Fix #218: Fix and properly document @​cachedmethod.cache_key handling.
• 98ec79f Drop "class method" from @​cachedmethod docstring.
• 93822a3 Release v7.0.3.
• 57d2e48 Fix #387: Handle obj=None case for inspection in _DescriptorBase.
• 8011b71 Release v7.0.2.
• 73d1602 Minor cleanups.
• Additional commits viewable in compare view

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