v0.9.0

What's Changed

• fix: the contract-3 migration could not migrate a workspace with two profiles by @sqave in #134
• One containment rule for every blob adapter by @sqave in #118
• Bound what an IMAP server can make the reader hold by @sqave in #119
• A profile owns its data again, and is one directory by @sqave in #135
• chore: 0.9.0 by @sqave in #136
• 0.9.0 by @sqave in #137

Full Changelog: v0.8.0...v0.9.0