Update integrating-with-alz.md

[lukemurraynz]

This pull request focuses on improving the documentation for integrating with Azure Landing Zone (ALZ) by making grammatical corrections and enhancing clarity. The most important changes include correcting grammatical errors and updating file paths.

Documentation Improvements:

• Corrected grammatical errors in the Docs/integrating-with-alz.md file to improve readability. [1] [2]
• Updated the file path in the GitHub Actions workflow instructions to ensure accuracy. Updated with correct link.

[anwather]

Thanks for the updates!