Bump openpyxl from 1.8.6 to 2.4.2
Bump openpyxl from 1.8.6 to 2.4.2

Bumps [openpyxl](https://openpyxl.readthedocs.io) from 1.8.6 to 2.4.2.

---
updated-dependencies:
- dependency-name: openpyxl
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
usaskulc/population_matching