message: chore(issuer-api): use correct type for Registry contract
diff: import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
  -import { Contract, providers } from 'ethers';
  -import { CertificateUtils } from '@energyweb/issuer';
  +import { providers } from 'ethers';
  +import { CertificateUtils, IBlockchainProperties } from '@energyweb/issuer';
  import { EventBus } from '@nestjs/cqrs';
  import { BlockchainPropertiesService } from '../../blockchain/blockchain-properties.service';
  import { CertificateCreatedEvent } from '../events/certificate-created-event';
  @@ -22,7 +22,7 @@ export class OnChainCertificateWatcher implements OnModuleInit {
  public provider: providers.FallbackProvider | providers.JsonRpcProvider;
  - public registry: Contract;
  + public registry: IBlockchainProperties['registry'];
  constructor(
  private readonly blockchainPropertiesService: BlockchainPropertiesService,
  