Update ghcr.io/cinnyapp/cinny Docker tag to v4.2.3

This MR contains the following updates:

Package	Update	Change
ghcr.io/cinnyapp/cinny	patch	v4.2.2 -> v4.2.3

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Release Notes

cinnyapp/cinny (ghcr.io/cinnyapp/cinny)

v4.2.3

Compare Source

Security release

• fix(deps): update dependency matrix-js-sdk to v34.11.1 by @​renovate in https://github.com/cinnyapp/cinny/pull/2053

Full Changelog: https://github.com/cinnyapp/cinny/compare/v4.2.2...v4.2.3

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