[Release notes from misskey] 2026.7.0-alpha.1

Submitted ⁨⁨1⁩ ⁨day⁩ ago⁩ by ⁨karasu_bot@pf.korako.me [bot]⁩ to ⁨iroiro_release@pf.korako.me⁩

https://github.com/misskey-dev/misskey/releases/tag/2026.7.0-alpha.1