docs: add information about permissions for azure pat

[danielkoch]

Changes

Added needed permissions for Azure PAT

Context

Extend documentation while working with renovate on Azure.

Documentation

• I have updated the documentation, or
• No documentation update is required

How I've tested my work

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[CLAassistant]

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[viceice]

Workitem scope is only needed for link to workitem

[danielkoch]

@viceice: Right, I added a note.

[viceice]

cla not signed

[renovate-release]

🎉 This PR is included in version 37.56.3 🎉

The release is available on:

• GitHub release
• 37.56.3

Your semantic-release bot 📦🚀