Fix Token-Permissions OpenSSF remarks

[aobolensk]

No description provided.

[chatgpt-codex-connector]

💡 Codex Review

parallel_programming_course/.github/workflows/main.yml

Lines 38 to 41 in 43ae338

	windows:
	needs:
	- pre-commit
	uses: ./.github/workflows/windows.yml

Add actions scope for Windows workflow artifacts

The Windows job similarly keeps the token at the default contents read-only scope, but the called workflow uploads the compiled package and downloads it in later steps via artifact actions. These operations require the actions permission; without it the artifact transfer fails and the Windows tests cannot execute.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.81%. Comparing base (6663f0a) to head (35155ce).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #655   +/-   ##
=======================================
  Coverage   94.81%   94.81%           
=======================================
  Files          15       15           
  Lines         482      482           
  Branches      167      167           
=======================================
  Hits          457      457           
  Partials       25       25           

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