FIX: Update and publish benchmark script

[gargsaumya]

Work Item / Issue Reference

AB#38033

GitHub Issue: #<ISSUE_NUMBER>

---

Summary

This pull request introduces a new benchmarks directory with a README.md file to guide users on how to run database performance benchmarks using pyodbc and mssql_python. The documentation provides detailed instructions and highlights the key features of the benchmark script.

Documentation for Benchmarking:

• benchmarks/README.md: Added a comprehensive guide explaining the purpose of benchmarks, setup instructions, and how to run them using richbench. The guide also outlines key features of the bench_mssql.py script, such as support for various database operations, error handling, and automated setup/cleanup.

[Copilot]

Pull Request Overview

This pull request introduces a new benchmarking infrastructure to the mssql-python project, adding a benchmarks directory with a comprehensive benchmark script and documentation. The benchmarking system compares performance between pyodbc and mssql_python libraries across various database operations.

• Added comprehensive benchmark script bench_mssql.py with 18 different database operation benchmarks
• Created detailed README documentation explaining setup, usage, and features of the benchmarking system
• Implemented automated database setup/cleanup with proper error handling and progress reporting

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 7 comments.

File	Description
benchmarks/bench_mssql.py	Complete benchmark script with database operations testing for both pyodbc and mssql_python libraries
benchmarks/README.md	Documentation explaining benchmark purpose, setup instructions, and usage with richbench tool