Update Rust crate discord-rich-presence to 0.2.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
discord-rich-presence	dependencies	patch	0.2.2 -> 0.2.3

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Release Notes

sardonicism-04/discord-rich-presence

### [`v0.2.3`](https://togithub.com/sardonicism-04/discord-rich-presence/releases/tag/0.2.3) #### What's Changed - Error message while trying to set activity while client not connected by [@​Tofix26](https://togithub.com/Tofix26) in [https://github.com/sardonicism-04/discord-rich-presence/pull/12](https://togithub.com/sardonicism-04/discord-rich-presence/pull/12) - Added `clear_activity` method [#​13](https://togithub.com/sardonicism-04/discord-rich-presence/issues/13) and fixed `connected` bool not working [#​14](https://togithub.com/sardonicism-04/discord-rich-presence/issues/14) by [@​KPidS](https://togithub.com/KPidS) in [https://github.com/sardonicism-04/discord-rich-presence/pull/18](https://togithub.com/sardonicism-04/discord-rich-presence/pull/18) #### New Contributors - [@​Tofix26](https://togithub.com/Tofix26) made their first contribution in [https://github.com/sardonicism-04/discord-rich-presence/pull/12](https://togithub.com/sardonicism-04/discord-rich-presence/pull/12) - [@​KPidS](https://togithub.com/KPidS) made their first contribution in [https://github.com/sardonicism-04/discord-rich-presence/pull/18](https://togithub.com/sardonicism-04/discord-rich-presence/pull/18) **Full Changelog**: https://github.com/sardonicism-04/discord-rich-presence/compare/0.2.1...0.2.3

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