State only starting year in license.

[tobiasraabe]

Changes

Provide a description and/or bullet points to describe the changes in this PR.

Todo

• Reference issues which can be closed due to this PR with "Closes #x".
• Review whether the documentation needs to be updated.
• Document PR in docs/changes.rst.

[codecov]

Codecov Report

Merging #182 (f68cadd) into main (6b586aa) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #182   +/-   ##
=======================================
  Coverage   92.82%   92.82%           
=======================================
  Files          71       71           
  Lines        6650     6650           
=======================================
  Hits         6173     6173           
  Misses        477      477           

Flag	Coverage Δ
end_to_end	79.17% <ø> (ø)
integration	41.98% <ø> (ø)
unit	68.64% <ø> (ø)

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