🔧 mypy fix typing in pyramid.py

[Jiaqi-Lv]

Fixed typing issue in pyramid.py.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.69%. Comparing base (6b4a75a) to head (ebcff56).
⚠️ Report is 10 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #938   +/-   ##
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  Coverage    99.69%   99.69%           
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  Files           71       71           
  Lines         8934     8934           
  Branches      1171     1171           
========================================
  Hits          8907     8907           
  Misses          23       23           
  Partials         4        4           

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[Copilot]

Pull Request Overview

This pull request fixes a mypy typing issue in pyramid.py while also updating related configuration files for consistency.

• Updated import in pyramid.py to include Literal for improved type annotation.
• Added explicit type annotations to the compression2mode variable and adjusted the tarfile open call for type compatibility.
• Updated mypy version in requirements and adjusted the workflow file accordingly.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
tiatoolbox/tools/pyramid.py	Fixed type annotations and ensured tarfile.TarFile.open receives a string path.
requirements/requirements_dev.txt	Upgraded mypy version for improved type checking support.
.github/workflows/mypy-type-check.yml	Minor adjustment to file paths in the type check workflow.

[shaneahmed]

Thanks @Jiaqi-Lv