chore: release v0.3.0

[github-actions]

🤖 New release

• corosensei: 0.2.2 -> 0.2.3 (✓ API compatible changes)

Changelog

0.2.3 - 2025-09-27

Other

• Ensure borrows in the coroutine body outlive the ScopedCoroutine
• Rework the API for scoped coroutines
• Rework ScopedCoroutine by using a scope in addition to Pin
• Re-introduce ScopedCoroutine by using Pin
• Merge pull request Add support for sanitizers #54 from Amanieu/sanitizer
• Merge pull request Require stack to be 'static #44 from zetanumbers/static_stack
• Use a local label to refer to stack_init_trampoline_return in asm

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