Bump node-forge and google-p12-pem in /functions

Bumps [node-forge](https://github.com/digitalbazaar/forge) and [google-p12-pem](https://github.com/googleapis/google-p12-pem). These dependencies needed to be updated together.

Updates `node-forge` from 0.10.0 to 1.3.1
- [Changelog](https://github.com/digitalbazaar/forge/blob/main/CHANGELOG.md)
- [Commits](digitalbazaar/forge@0.10.0...v1.3.1)

Updates `google-p12-pem` from 3.1.2 to 3.1.4
- [Release notes](https://github.com/googleapis/google-p12-pem/releases)
- [Changelog](https://github.com/googleapis/google-p12-pem/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-p12-pem@v3.1.2...v3.1.4)

---
updated-dependencies:
- dependency-name: node-forge
  dependency-type: indirect
- dependency-name: google-p12-pem
  dependency-type: indirect
...

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