Update docker.io/ajbura/cinny Docker tag to v2.1.2

This MR contains the following updates:

Package	Type	Update	Change
docker.io/ajbura/cinny	stage	patch	v2.1.1 -> v2.1.2

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Release Notes

cinnyapp/cinny

v2.1.2

Compare Source

What's Changed

• Escape html with markdown off (#​732)
• Fix image not loading without h/w data (#​738)
• Don't drop animation of GIF emojis/stickers (#​731)
• Pre-fill file name while uploading emojis/stickers
• Add navigation bar to sticker board
• Fix logout not working when server offline
• Only render mxc images in markdown

Full Changelog: https://github.com/cinnyapp/cinny/compare/v2.1.1...v2.1.2

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