Resolve "Prepare 0.3.0 release"

Closes #147 (closed)

changed milestone to %0.3.0

added release label

assigned to @amiranda

added 4 commits

• 1beb2f94 - docker: Freeze image for `0.3.0`
• a33b0ad3 - docker: Create image for `0.4.0-wip`
• 7fa31c77 - CI: Set default docker image to `0.3.0`
• 94b6801b - CMake: Bump version

Compare with previous version

marked this merge request as ready

enabled an automatic merge when the pipeline for 94b6801b succeeds

merged

mentioned in commit b96cba77