chore(deps): bump axios in /firestore-send-email/functions

Bumps [axios](https://github.com/axios/axios) from 1.7.9 to 1.8.2.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v1.7.9...v1.8.2)

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

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Author: dependabot[bot]