Update DSC schema v3

[Gijsreyn]

This PR follows up on the work from Andy on #16389, only pointing towards the latest schema.

Contributing to documentation

• All documentation contributions should be made directly in the Bicep documentation on Microsoft Docs. Documentation is already available. It is a minor change.

Contributing an example

We are integrating the Bicep examples into the Azure QuickStart Templates. If you'd like to contribute new example .bicep files that showcase abilities of the language, please follow these instructions to add them directly there. We can still take bug reports and fixes for the existing examples for the time being.

• This is a bug fix for an existing example
• I have resolved all warnings and errors shown by the Bicep VS Code extension
• I have checked that all tests are passing by running dotnet test
• I have consistent casing for all of my identifiers and am using camelCasing unless I have a justification to use another casing style

Contributing a feature

• I have opened a new issue for the proposal, or commented on an existing one, and ensured that the Bicep maintainers are good with the design of the feature being implemented
• I have included "Fixes #{issue_number}" in the PR description, so GitHub can link to the issue and close it when the PR is merged
• I have appropriate test coverage of my new feature

Microsoft Reviewers: Open in CodeFlow

[andyleejordan]

Thanks Gijs! We didn't have this available when I started on this PR, then @michaeltlombardi and I missed it on final review. Good catch.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 9.37%. Comparing base (108d816) to head (5419928).
Report is 2229 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (108d816) and HEAD (5419928). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (108d816)	HEAD (5419928)
dotnet	4	0

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #16685       +/-   ##
===========================================
- Coverage   94.28%    9.37%   -84.91%     
===========================================
  Files        1113        7     -1106     
  Lines      100791      288   -100503     
  Branches     8734      123     -8611     
===========================================
- Hits        95028       27    -95001     
+ Misses       4595      260     -4335     
+ Partials     1168        1     -1167     

Flag	Coverage Δ
dotnet	?
typescript	9.37% <ø> (+1.66%)	⬆️

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see 1102 files with indirect coverage changes

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[github-actions]

Test this change out locally with the following install scripts (Action run 14046340801)

VSCode

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-vsix.sh) --run-id 14046340801

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-vsix.ps1) } -RunId 14046340801"

Azure CLI

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-cli.sh) --run-id 14046340801

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-cli.ps1) } -RunId 14046340801"

[Gijsreyn]

Thanks Gijs! We didn't have this available when I started on this PR, then @michaeltlombardi and I missed it on final review. Good catch.

No worries Andy! I was keeping an eye on this one to get merged as I loved to see the work and demo you gave:)