Bugged Connectivity policy initiative + override tag name case consistency + tag override documentation update

[Brunoga-MS]

Overview/Summary

Replace this with a brief description of what this Pull Request fixes, changes, etc.

This PR fixes/adds/changes/removes

1. Fixes an issue with VNETGbandwidth where the threshold param was passed in wrong way
2. Enforces case consistency for override tag name
3. *Adds missing params to Deploy-Connectivity-Alerts policySetDefinition. This bug was reported by customer in [Question/Feedback]: Cannot Deploy AMBA #379 *

Breaking Changes

1. NONE

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Ensured PR tests are passing
• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)

[arjenhuitema]

Looks good overall. I updated the versioning to a patch for the Override changes since it's just a string update. Please double-check the disconnected alert query.

[arjenhuitema]

LGTM