AZ400_M05_L10: Updates to clarify 'NAME' field and notify user of permissions required.

[jones065]

Replace issue name LAB00:QUICK_DESCRIPTION, for example "LAB01: My new issue" (or same name as linked Issue)

Related Issue

Link related Github Issue 🢂 Fixes #550

Checklist

Mark completed with "x" between brackets, "[x]", or checking the box once the PR is created:

• [x] Has related GitHub Issue 💥 Create Issue 📝
• [x] Tested it
• [x] Read the PR collaboration guide 👓 Collaboration Guide 📝

Changes proposed in this pull request:

• Updated Step 4 of Task 2 to clairify 'NAME' should be updated to a unique value in the YAML file
• Added 'Important' note for the first pipeline build to grant permissions if necessary.

[LuizMacedo]

Thanks @jones065! I was working in other updates for the labs, so I'll incorporate yours into mine and publish using #551.