PowerSync 1.9.0

• Fixed user agent strings not following expected format in #95

• Added Alpha PowerSyncGRDB product which supports sharing GRDB DatabasePools with PowerSync and application logic in #78

• Add appMetadata parameter to PowerSyncDatabase.connect() (via ConnectOptions) to include application metadata in sync requests. This metadata is merged into sync requests and displayed in PowerSync service logs in #104
  Note: This requires a PowerSync service version >=1.17.0 in order for logs to display metadata.

  try await database.connect(
      connector: connector,
      options: ConnectOptions(
          appMetadata: ["appVersion": "1.0.0", "deviceId": "device456"]
      )
  )