SYS-8273 catch more window cases, add python and python 3 cases

[mmaharjan-ccdc]

No description provided.

[Copilot]

Pull request overview

Updates the git hook shell wrappers to better detect Windows-like environments and to select an available Python interpreter before delegating to the corresponding *.py hook implementation.

Changes:

• Expand $OSTYPE matching to include additional Windows/MSYS variants and standardize log messages.
• Prefer python3 when available, otherwise fall back to python, and fail fast with an error when no runnable Python is found.
• Switch to array-based invocation ("${PYTHON_EXECUTABLE[@]}") to keep command execution robust.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 6 comments.

File	Description
main/pre-merge-commit	Updates OS detection and Python selection logic for the pre-merge hook wrapper.
main/pre-commit	Updates OS detection and Python selection logic for the pre-commit hook wrapper.
main/commit-msg	Updates OS detection and Python selection logic for the commit-msg hook wrapper.

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