Update dependency tslib to v2.6.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tslib (source)	2.6.2 -> 2.6.3

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Release Notes

Microsoft/tslib (tslib)

### [`v2.6.3`](https://togithub.com/microsoft/tslib/releases/tag/v2.6.3) [Compare Source](https://togithub.com/Microsoft/tslib/compare/v2.6.2...v2.6.3) #### What's Changed - 'await using' normative changes by [@​rbuckton](https://togithub.com/rbuckton) in [https://github.com/microsoft/tslib/pull/258](https://togithub.com/microsoft/tslib/pull/258) **Full Changelog**: https://github.com/microsoft/tslib/compare/v2.6.2...v2.6.3

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[changeset-bot[bot]]

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Latest commit: e411448b0325cd122fb59de8ab0ec3a29d8da333

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[github-actions[bot]]

size-limit report 📦

Path	Size
dist/livekit-client.esm.mjs	80.23 KB (0%)
dist/livekit-client.umd.js	86.01 KB (0%)