⬆️ Update streamlink to v6.7.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
streamlink	==6.7.3 -> ==6.7.4

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Release Notes

streamlink/streamlink (streamlink)

### [`v6.7.4`](https://togithub.com/streamlink/streamlink/blob/HEAD/CHANGELOG.md#streamlink-674-2024-05-12) [Compare Source](https://togithub.com/streamlink/streamlink/compare/6.7.3...6.7.4) Patch release: - Refactored: CLI errors ([#​5958](https://togithub.com/streamlink/streamlink/pull/5958)) - Updated plugins: - afreeca: updated stream qualities ([#​5953](https://togithub.com/streamlink/streamlink/pull/5953)) - afreeca: added `--afreeca-stream-password` ([#​5952](https://togithub.com/streamlink/streamlink/pull/5952)) - chzzk: new plugin ([#​5731](https://togithub.com/streamlink/streamlink/pull/5731)) - nownews: removed plugin ([#​5961](https://togithub.com/streamlink/streamlink/pull/5961)) - turkuvaz: fixed HLS streams ([#​5946](https://togithub.com/streamlink/streamlink/pull/5946)) - Docs: clarified plugin request rules ([#​5949](https://togithub.com/streamlink/streamlink/pull/5949)) - Build: fixed build issues on Windows ([#​5990](https://togithub.com/streamlink/streamlink/pull/5990)) - Build: removed `exceptiongroup` dependency on Python >= 3.11 ([#​5987](https://togithub.com/streamlink/streamlink/pull/5987)) [Full changelog](https://togithub.com/streamlink/streamlink/compare/6.7.3...6.7.4)

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