all-repos: update actions/upload-artifact to v4

[joshuarli]

Committed via https://github.com/asottile/all-repos

[github-actions]

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🚫	Please consider adding a changelog entry for the next release.

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Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

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## Unreleased

- update actions/upload-artifact to v4 ([#2359](https://github.com/getsentry/sentry-ruby/pull/2359))

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