Bump openpyxl from 3.1.4 to 3.1.5 (#1230)

Bumps [openpyxl](https://openpyxl.readthedocs.io) from 3.1.4 to 3.1.5.

---
updated-dependencies:
- dependency-name: openpyxl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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