v2.0.0-rc5

What's Changed

• Migration setup for database by @semohr in #294
• db_migration: Migrated TaskStateInDb.items field pickle to json by @semohr in #296
• db_migration. Moved items to separate table. by @semohr in #301
• db_migration: Migrated CandidateStateInDb.match pickle to proper table schema by @semohr in #297
• Upgrade beets v2.5.1 -> v2.6.1 by @semohr in #299
• Upgrade beets v2.6.1 -> v2.7.1 by @semohr in #300
• chore: backend update by @semohr in #313
• Remove nest_asyncio by @semohr in #314
• Upgrade beets v2.7.1 -> v2.8.0 by @semohr in #310
• chore: Update frontend dependencies by @semohr in #317
• docs: Added list of supported plugins by @semohr in #315
• Upgrade beets v2.8.0 -> v2.9.0 by @semohr in #318
• bumped beets to 2.10 by @pSpitzner in #321
• Updated Beets 2.11.0 by @pSpitzner in #322

Full Changelog: v2.0.0-rc4...v2.0.0-rc5