build(deps): bump phin and load-bmfont in /starsky-tools/thumbnail

Bumps [phin](https://github.com/ethanent/phin) and [load-bmfont](https://github.com/Jam3/load-bmfont). These dependencies needed to be updated together.

Updates `phin` from 2.9.3 to 3.7.1
- [Commits](https://github.com/ethanent/phin/commits)

Updates `load-bmfont` from 1.4.1 to 1.4.2
- [Commits](Experience-Monks/load-bmfont@v1.4.1...v1.4.2)

---
updated-dependencies:
- dependency-name: phin
  dependency-type: indirect
- dependency-name: load-bmfont
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>