Bump ejs from 3.1.6 to 3.1.9 (#26)

Bumps [ejs](https://github.com/mde/ejs) from 3.1.6 to 3.1.9.
- [Release notes](https://github.com/mde/ejs/releases)
- [Commits](mde/ejs@v3.1.6...v3.1.9)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>