misc: bump version 0.3.0

2 jobs for master in 8 minutes and 15 seconds (queued for 2 seconds)
Status Name Job ID Coverage
passed build_test_nix #1126068


failed build_test_simgrid/unstable #1126069
allowed to fail


Name Stage Failure
build_test_simgrid/unstable Build
  End-of-central-directory signature not found.  Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: cannot find zipfile directory in one of /root/.sonar/sonar-scanner.zip or
/root/.sonar/sonar-scanner.zip.zip, and cannot find /root/.sonar/sonar-scanner.zip.ZIP, period.
Archive: /root/.sonar/sonar-scanner.zip
Cleaning up file based variables
ERROR: Job failed: exit code 1