fix: ignore expected security warnings in subprocess_utils.py

- Add per-file-ignores for S602/S603 in subprocess_utils.py
- These warnings are expected for Windows shell=True compatibility fix
- Resolves remaining CI lint failures for Windows subprocess fix

Co-Authored-By: João <joao@crewai.com>

pyproject.toml

@@ -135,6 +135,7 @@ ignore = ["E501"]  # ignore line too long
 
 [tool.ruff.lint.per-file-ignores]
 "tests/**/*.py" = ["S101"]  # Allow assert statements in tests
+"src/crewai/cli/subprocess_utils.py" = ["S602", "S603"]  # Allow shell=True for Windows compatibility
 
 [tool.mypy]
 exclude = ["src/crewai/cli/templates", "tests"]