Bump https-proxy-agent from 2.2.2 to 2.2.4

Bumps [https-proxy-agent](https://github.com/TooTallNate/node-https-proxy-agent) from 2.2.2 to 2.2.4.
- [Release notes](https://github.com/TooTallNate/node-https-proxy-agent/releases)
- [Commits](TooTallNate/proxy-agents@2.2.2...2.2.4)

---
updated-dependencies:
- dependency-name: https-proxy-agent
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>