[partmesh] Create output directory

• partmesh creates output directory if it does not exist, similar to !4989 (merged).

1. Feature description was added to the changelog

changed milestone to %6.5.2

approved this merge request

added 5 commits

• 74eb742b...9186f194 - 4 commits from branch ogs:master
• 2dd5b1f4 - [partmesh] Create output directory.

Compare with previous version

reset approvals from @endJunction by pushing to the branch

approved this merge request

enabled an automatic merge when the pipeline for 88a4aef8 succeeds

canceled the automatic merge

mentioned in commit f38c4000

merged

mentioned in merge request !5118 (merged)