Fix issue with pytask --version and click v8.

[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 #113 (a9702f3) into main (2b36542) will decrease coverage by 0.00%.
The diff coverage is 90.90%.

@@            Coverage Diff             @@
##             main     #113      +/-   ##
==========================================
- Coverage   93.30%   93.30%   -0.01%     
==========================================
  Files          62       63       +1     
  Lines        5260     5269       +9     
==========================================
+ Hits         4908     4916       +8     
- Misses        352      353       +1     

Flag	Coverage Δ
end_to_end	79.93% <72.72%> (-0.03%)	⬇️
integration	41.71% <72.72%> (+0.04%)	⬆️
unit	67.26% <90.90%> (+0.03%)	⬆️

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Impacted Files	Coverage Δ
src/_pytask/cli.py	98.48% <83.33%> (-1.52%)	⬇️
tests/test_cli.py	100.00% <100.00%> (ø)

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