Make .from_annot an optional feature of nodes.

[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 #409 (b305712) into main (477e49e) will decrease coverage by 0.02%.
The diff coverage is 66.66%.

❗ Current head b305712 differs from pull request most recent head 7c1a668. Consider uploading reports for the commit 7c1a668 to get more accurate results

@@            Coverage Diff             @@
##             main     #409      +/-   ##
==========================================
- Coverage   95.65%   95.64%   -0.02%     
==========================================
  Files          94       94              
  Lines        8293     8294       +1     
==========================================
  Hits         7933     7933              
- Misses        360      361       +1     

Flag	Coverage Δ
end_to_end	82.96% <66.66%> (-0.02%)	⬇️
integration	39.54% <0.00%> (-0.02%)	⬇️
unit	65.92% <0.00%> (-0.02%)	⬇️

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Files Changed	Coverage Δ
src/_pytask/node_protocols.py	100.00% <ø> (ø)
src/_pytask/nodes.py	93.10% <ø> (ø)
src/_pytask/collect_utils.py	97.97% <66.66%> (-0.49%)	⬇️