[MCC-1487246] Fix Dependabot reported vulnerabilities

[ibaig-mdsol]

tech_debt

• Fix Dependabot reported vulnerabilities
• MCC-1487246

Checklist

• Review the pull request to fix typos and ensure variable/function names are intuitive, etc.
• Make sure the pull request does not have excessive number of unnecessary commits. Utilize the git commit --amend --no-edit command to reduce commit messages when making small file changes (like changing linespacing).
• Make sure you have added unit tests for the code changes. Tests should be added in the tests/ folder.
• Modify docs, if required. Add any new documentation in the doc/ folder.
• Rebase on latest active development branch (develop/main).

Changes Summary

- Dependabot vulnerabilities fixed

[Copilot]

Pull request overview

This pull request addresses Dependabot-reported vulnerabilities by updating pinned dependency versions and refreshing the Poetry lockfile, while also removing unused template/original configuration files from the repository.

Changes:

• Bump pyarrow to 23.0.1 and gunicorn to 22.0.0 in pyproject.toml.
• Regenerate poetry.lock to reflect updated dependency resolution.
• Remove legacy/template files (README_orig.md, pyproject_orig.toml) from the repo.

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
README_orig.md	Removes an unused template/original README artifact.
pyproject.toml	Updates dependency versions to remediate reported vulnerabilities.
pyproject_orig.toml	Removes an unused template/original Poetry configuration artifact.
poetry.lock	Updates locked dependency graph to match the bumped dependency versions.

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