Updated version info and HISTORY.rst.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
4 jobs for v0.16.6 in 1 minute and 8 seconds (queued for 4 minutes and 45 seconds)
latest
Status Job ID Name Coverage
  Test
passed test_py_tools_ds #52907

00:00:13

68.0%
passed test_styles #52908

00:00:08

passed test_urls #52909

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  Deploy Pypi
passed deploy_pypi #52910

00:00:12