Update dependency io.sentry:sentry to v6.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.sentry:sentry	6.4.0 -> 6.4.1

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Release Notes

getsentry/sentry-java

### [`v6.4.1`](https://togithub.com/getsentry/sentry-java/blob/HEAD/CHANGELOG.md#​641) [Compare Source](https://togithub.com/getsentry/sentry-java/compare/6.4.0...6.4.1) ##### Fixes - Fix memory leak caused by throwableToSpan ([#​2227](https://togithub.com/getsentry/sentry-java/pull/2227))

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