Bumped version to 0.18.0.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
5 jobs for v0.18.0 in 13 minutes and 46 seconds (queued for 33 minutes and 48 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_enpt #78544

00:10:17

91.0%
passed test_styles #78545

00:00:41

passed test_urls #78546

00:01:23

 
  Deploy
passed create_github_release #78548

00:00:36

passed deploy_pypi #78547

00:00:48