v0.2.8

• lint 7f34ae1
• implement unsafePersistDoc 09251bf
• bump yjs - more efficient update merge 0bf5f74
• [s3 fixes]: keepalive, retry logic, handling of nonexistent resources 3700704
• [rollback api] bump deps and use commonly expected undo/redo of KV entries e99b29b

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v0.2.7...v0.2.8