Removed deprecated PyPI upload code from .gitlab-ci.yml. Replaced relative...

Removed deprecated PyPI upload code from .gitlab-ci.yml. Replaced relative links in README.rst by absolute ones. Updated version info.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
3 jobs for v0.9.2 in 5 minutes and 10 seconds (queued for 9 minutes and 39 seconds)
latest
Status Job ID Name Coverage
  Test
passed #12135
test_arosics

00:04:09

85.0%
passed #12136
test_styles

00:00:23

 
  Deploy
passed #12137
deploy_pypi

00:00:37