chore(deps): bump node-fetch and decentraland-crypto-middleware

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) to 2.7.0 and updates ancestor dependency [decentraland-crypto-middleware](https://github.com/decentraland/decentraland-crypto-middleware). These dependencies need to be updated together.


Updates `node-fetch` from 1.7.3 to 2.7.0
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@1.7.3...v2.7.0)

Updates `decentraland-crypto-middleware` from 1.1.0 to 1.2.0
- [Release notes](https://github.com/decentraland/decentraland-crypto-middleware/releases)
- [Commits](decentraland/decentraland-crypto-middleware@v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: indirect
- dependency-name: decentraland-crypto-middleware
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>