message: indexer-service: Use .js migration files and connection without env dependency
diff: @@ -14,7 +14,7 @@ import { QueryProcessor } from '../queries'
  import { PaymentManager } from '../payment-manager'
  import { NetworkMonitor } from '../network-monitor'
  -import knex from '@statechannels/server-wallet/lib/src/db-admin/db-admin-connection'
  +import knex from '@statechannels/server-wallet/lib/src/db/connection'
  import { SigningWallet } from '@statechannels/server-wallet/lib/src/models/signing-wallet'
  import { toAddress } from '../types'
  @@ -139,13 +139,11 @@ export default {
  logger.info('Migrate server-wallet database')
  await knex.migrate.latest({
  + loadExtensions: ['.js'],
  directory: path.resolve(
  require.resolve('@statechannels/server-wallet'),
  '..',
  '..',
  - '..',
  - '..',
  - 'src',
  'db',
  'migrations',
  ),
  