Update instructions

[harjotgill]

Summary by OpenAI

**Chore:**
- Updated the version of `coderabbitai/openai-pr-reviewer` from `latest` to `v1` in the README.md file.

> 🎉 Here's to the code that never rests,  
> Upgraded now to be the best.  
> From `latest` we part, to `v1` we sail,  
> On this ship of progress, we shall never fail! 🚀

[github-actions]

🤖 OpenAI

High-Level Summary

The changes in this pull request primarily involve updating the version of coderabbitai/openai-pr-reviewer from latest to v1. This change is applied in two places within the README.md file.

File	Summary
README.md	The version of coderabbitai/openai-pr-reviewer has been updated from latest to v1 in two instances. This ensures that a specific, stable version of the tool is used instead of the potentially unstable latest version.

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In the recent run, only the files that changed from the base of the PR and between 9ac127d9e21d898c665f3a7cf12229e5908149d5 and 7f1ca4ee6f70eb7600feb05f46c18447e8195e80 commits were reviewed.

Files not reviewed due to simple changes (1)

Skipped review in the recent run

• README.md