STY: Apply ruff suggestions

[MartinThoma]

No description provided.

[codecov]

Codecov Report

Base: 91.86% // Head: 91.84% // Decreases project coverage by -0.02% ⚠️

Coverage data is based on head (72f146c) compared to base (962ce55).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1570      +/-   ##
==========================================
- Coverage   91.86%   91.84%   -0.02%     
==========================================
  Files          33       33              
  Lines        6207     6196      -11     
  Branches     1229     1229              
==========================================
- Hits         5702     5691      -11     
  Misses        326      326              
  Partials      179      179              

Impacted Files	Coverage Δ
pypdf/_encryption.py	92.18% <ø> (ø)
pypdf/_merger.py	93.18% <ø> (ø)
pypdf/_reader.py	90.09% <ø> (ø)
pypdf/_utils.py	97.43% <ø> (ø)
pypdf/errors.py	100.00% <ø> (ø)
pypdf/generic/_annotations.py	97.61% <ø> (ø)
pypdf/generic/_base.py	99.64% <ø> (ø)
pypdf/generic/_utils.py	100.00% <ø> (ø)
pypdf/_cmap.py	95.25% <100.00%> (ø)
pypdf/_page.py	89.85% <100.00%> (ø)
... and 2 more

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