feat: add support for channel pinning and archiving

[akupila]

CLA

• [ ] I have signed the Stream CLA (required).
• [ ] Code changes are tested

Description of the changes, What, Why and How?

This adds support for pinning and archiving channels. The channel pin is stored on the user-channel relationship (channel membership). The backend API endpoint for this is not yet live.

Changelog

• Fix partialUpdateMember returning a type without the channel_member key that's returned from the API
• Add support for pinning channels using updateMemberPartial (just TS type update)
• Add channel.archive() and channel.unarchive()
• Add channel.pin() and channel.unpin()
• Add support for added filter and sort fields in queryChannels

[github-actions[bot]]

Size Change: +2.92 kB (+0.68%)

Total Size: 430 kB

Filename	Size	Change
dist/browser.es.js	93.3 kB	+689 B (+0.74%)
dist/browser.full-bundle.min.js	54.3 kB	+210 B (+0.39%)
dist/browser.js	94.4 kB	+667 B (+0.71%)
dist/index.es.js	93.4 kB	+689 B (+0.74%)
dist/index.js	94.5 kB	+669 B (+0.71%)

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[akupila]

This is instead in two PRs: https://github.com/GetStream/stream-chat-js/pull/1378 https://github.com/GetStream/stream-chat-js/pull/1386