Bump cookiejar from 2.1.3 to 2.1.4 in /examples/web3modal-demo (#808)

Bumps [cookiejar](https://github.com/bmeck/node-cookiejar) from 2.1.3 to 2.1.4.
- [Release notes](https://github.com/bmeck/node-cookiejar/releases)
- [Commits](https://github.com/bmeck/node-cookiejar/commits)

---
updated-dependencies:
- dependency-name: cookiejar
  dependency-type: indirect
...

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