Raise version to 2.3.1
Description
Raises the version number to 2.3.1.
Changes
- Changes the version to 2.3.1.
Additions
None.
Test and Review
To be filled in by the reviewers
-
There are no unnecessary files present in the MR -
The continuous integration has no problems with the MR -
The MR is filled in as requested (including labels, milestones, and reviewers) -
The documentation is up-to-date