[9.3](backport #3910) Update module github.com/cloudflare/circl to v1.6.3 (main)

[mergify]

This PR contains the following updates:

Package	Type	Update	Change
github.com/cloudflare/circl	indirect	patch	v1.6.2 -> v1.6.3

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Release Notes

cloudflare/circl (github.com/cloudflare/circl)

v1.6.3: CIRCL v1.6.3

Compare Source

CIRCL v1.6.3

Fix a bug on ecc/p384 scalar multiplication.

What's Changed

• sign/mldsa: Check opts for nil value by @​armfazh in https://github.com/cloudflare/circl/pull/582
• ecc/p384: Point addition must handle point doubling case. by @​armfazh in https://github.com/cloudflare/circl/pull/583
• Release CIRCL v1.6.3 by @​armfazh in https://github.com/cloudflare/circl/pull/584

Full Changelog: cloudflare/circl@v1.6.2...v1.6.3

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This PR has been generated by Renovate Bot.

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This is an automatic backport of pull request #3910 done by [Mergify](https://mergify.com).

[mergify]

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