py(deps): ruff 0.4.5 -> 0.4.7, other fixes

[tony]

Changes

ruff: 0.4.5 -> 0.4.7

See also: https://github.com/astral-sh/ruff/blob/v0.4.7/CHANGELOG.md

Ruff nits

src/tmuxp/shell.py:54:29: F401 `IPython.start_ipython` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:54:44: RUF100 [*] Unused `noqa` directive (unused: `F841`)
src/tmuxp/shell.py:57:39: F401 `IPython.Shell.IPShell` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:57:48: RUF100 [*] Unused `noqa` directive (unused: `F841`)
src/tmuxp/shell.py:70:53: F401 `prompt_toolkit.contrib.repl.embed` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:70:60: F401 `prompt_toolkit.contrib.repl.run_config` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:70:72: RUF100 [*] Unused `noqa` directive (unused: `F841`)
src/tmuxp/shell.py:84:56: F401 `prompt_toolkit.contrib.ipython.embed` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:84:63: RUF100 [*] Unused `noqa` directive (unused: `F841`)
src/tmuxp/shell.py:85:53: F401 `prompt_toolkit.contrib.repl.run_config` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:85:65: RUF100 [*] Unused `noqa` directive (unused: `F841`)
src/tmuxp/shell.py:95:29: F401 `bpython.embed` imported but unused; consider using `importlib.util.find_spec` to test for availability
src/tmuxp/shell.py:95:36: RUF100 [*] Unused `noqa` directive (unused: `F841`)
Found 13 errors.

[codecov]

Codecov Report

Attention: Patch coverage is 70.00000% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 70.19%. Comparing base (fda051f) to head (c2d8961).
Report is 3 commits behind head on master.

❗ Current head c2d8961 differs from pull request most recent head b400498

Please upload reports for the commit b400498 to get more accurate results.

Files	Patch %	Lines
src/tmuxp/shell.py	70.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #935      +/-   ##
==========================================
- Coverage   70.21%   70.19%   -0.02%     
==========================================
  Files          26       26              
  Lines        1937     1936       -1     
  Branches      404      404              
==========================================
- Hits         1360     1359       -1     
  Misses        454      454              
  Partials      123      123              

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