Upgrade cache dependency for reconnection support

[premtsd-code]

Summary

• Upgrade utopia-php/cache to 1.0.* for reconnection support
• Upgrade phpunit to 9.6.34

Test plan

• Run composer install to verify dependencies resolve
• Run composer test to verify tests pass

Summary by CodeRabbit

• Chores
  • Updated PHP dependencies for compatibility and stability.
  • Upgraded the caching library to 1.0.x for improved reliability.
  • Updated the testing framework to 9.6.x.
  • Added a development testing utility to support test instantiation and fixtures.

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[coderabbitai]

Walkthrough

The pull request modifies composer.json: utopia-php/cache is updated from 0.13.* to 1.0.*, phpunit/phpunit is updated from ^9.3 to 9.6.*, and a new dev dependency doctrine/instantiator at 2.0.0 is added. Changes are limited to dependency version strings and an added dev dependency; no code, control flow, or exported/public declarations were altered. File diff shows net additions and deletions in the manifest.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Upgrade cache dependency for reconnection support' directly and clearly summarizes the main change of upgrading utopia-php/cache from 0.13.* to 1.0.*, which is the primary objective stated in the PR description.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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