Bump openpyxl from 3.0.5 to 3.0.6
Bump openpyxl from 3.0.5 to 3.0.6

Bumps [openpyxl](https://openpyxl.readthedocs.io) from 3.0.5 to 3.0.6.

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mociepka/saleor,mociepka/saleor,mociepka/saleor