PERF: Help the specializing adpative interpreter

[MartinThoma]

This PR aims at making minor changes that do not influence readability in a negative way and help (a tiny bit) to make pypdf faster.

https://pypi.org/project/specialist/ was used.

Specialized instructions

You can see the specialized instructions with the dis module:

python            
Python 3.11.0 (main, Oct 29 2022, 16:38:13) [GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import dis
>>> your_function = lambda n: n * 1.5
>>> dis.dis(your_function, adaptive=True)
  1           0 RESUME                   0
              2 LOAD_FAST                0 (n)
              4 LOAD_CONST               1 (1.5)
              6 BINARY_OP                5 (*)
             10 RETURN_VALUE
>>> your_function(1.5)
2.25
>>> your_function(2.5)
3.75
>>> your_function(3.5)
5.25
>>> your_function(4.5)
6.75
>>> your_function(5.5)
8.25
>>> your_function(6.5)
9.75
>>> your_function(7.5)
11.25
>>> your_function(8.5)
12.75
>>> your_function(9.5)
14.25
>>> dis.dis(your_function, adaptive=True)
  1           0 RESUME_QUICK             0
              2 LOAD_FAST__LOAD_CONST     0 (n)
              4 LOAD_CONST               1 (1.5)
              6 BINARY_OP_MULTIPLY_FLOAT     5 (*)
             10 RETURN_VALUE

• BINARY_OP_MULTIPLY_FLOAT: Multiplying two integers
• BINARY_OP_MULTIPLY_INT: Multiplying two floats

See also

• https://peps.python.org/pep-0659/
• https://talkpython.fm/episodes/show/381/python-perf-specializing-adaptive-interpreter
• https://realpython.com/lessons/faster-faster-faster/
• https://www.andy-pearce.com/blog/posts/2022/Dec/whats-new-in-python-311-performance-improvements/

[codecov]

Codecov Report

Base: 91.83% // Head: 91.83% // No change to project coverage 👍

Coverage data is based on head (5fc0bb6) compared to base (82f9c1e).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1522   +/-   ##
=======================================
  Coverage   91.83%   91.83%           
=======================================
  Files          33       33           
  Lines        6073     6073           
  Branches     1193     1193           
=======================================
  Hits         5577     5577           
  Misses        321      321           
  Partials      175      175           

Impacted Files	Coverage Δ
pypdf/_cmap.py	95.23% <100.00%> (ø)
pypdf/_codecs/__init__.py	100.00% <100.00%> (ø)
pypdf/_reader.py	90.36% <100.00%> (ø)
pypdf/_writer.py	83.75% <100.00%> (ø)
pypdf/generic/_annotations.py	96.66% <100.00%> (ø)
pypdf/xmp.py	92.10% <100.00%> (ø)

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