[WIP] Support for @deprecated() decorator

[anthony-c-martin]

Microsoft Reviewers: Open in CodeFlow

Closes #3505

[github-actions]

Test this change out locally with the following install scripts (Action run 11364616751)

VSCode

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-vsix.sh) --run-id 11364616751

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-vsix.ps1) } -RunId 11364616751"

Azure CLI

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-cli.sh) --run-id 11364616751

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-cli.ps1) } -RunId 11364616751"

[github-actions]

Dotnet Test Results

    71 files   -     37      71 suites   - 37   29m 32s ⏱️ - 11m 48s
11 369 tests  -     13  11 369 ✅  -     13  0 💤 ±0  0 ❌ ±0 
26 469 runs   - 13 194  26 469 ✅  - 13 194  0 💤 ±0  0 ❌ ±0 

Results for commit aa99e35. ± Comparison against base commit e7884b8.