build(deps): bump @apollo/server from 4.9.2 to 4.9.3 in /functions

Bumps [@apollo/server](https://github.com/apollographql/apollo-server/tree/HEAD/packages/server) from 4.9.2 to 4.9.3.
- [Release notes](https://github.com/apollographql/apollo-server/releases)
- [Changelog](https://github.com/apollographql/apollo-server/blob/main/packages/server/CHANGELOG.md)
- [Commits](https://github.com/apollographql/apollo-server/commits/@apollo/[email protected]/packages/server)

---
updated-dependencies:
- dependency-name: "@apollo/server"
  dependency-type: direct:production
...

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