Add a CLI dependency graph command

[jongio]

Closes #355

Adds azd app graph with text and JSON output for service/resource nodes, uses edges, and startup levels.

Verification:

• go build ./... passed
• go test ./... passed

[github-actions]

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[codecov]

Codecov Report

❌ Patch coverage is 69.00000% with 31 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.41%. Comparing base (04ee089) to head (f88d4be).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
cli/src/cmd/app/commands/graph.go	69.00%	17 Missing and 14 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #358      +/-   ##
==========================================
+ Coverage   57.34%   57.41%   +0.07%     
==========================================
  Files         187      188       +1     
  Lines       24420    24520     +100     
==========================================
+ Hits        14003    14079      +76     
- Misses       9493     9500       +7     
- Partials      924      941      +17     

Flag	Coverage Δ
unittests	57.41% <69.00%> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
cli/src/cmd/app/commands/graph.go	69.00% <69.00%> (ø)

... and 3 files with indirect coverage changes

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[github-actions]

🚀 Test This PR

A preview build (0.19.5-pr358) is ready for testing!

🌐 Website Preview

Live Preview: https://jongio.github.io/azd-app/pr/358/

One-Line Install (Recommended)

PowerShell (Windows):

iex "& { $(irm https://raw.githubusercontent.com/jongio/azd-app/main/cli/scripts/install-pr.ps1) } -PrNumber 358 -Version 0.19.5-pr358"

Bash (macOS/Linux):

curl -fsSL https://raw.githubusercontent.com/jongio/azd-app/main/cli/scripts/install-pr.sh | bash -s 358 0.19.5-pr358

Uninstall

When you're done testing:

PowerShell (Windows):

iex "& { $(irm https://raw.githubusercontent.com/jongio/azd-app/main/cli/scripts/uninstall-pr.ps1) } -PrNumber 358"

Bash (macOS/Linux):

curl -fsSL https://raw.githubusercontent.com/jongio/azd-app/main/cli/scripts/uninstall-pr.sh | bash -s 358

---

Build Info:

• Version: 0.19.5-pr358
• Commit: f88d4be
• Release: View pre-release

What to Test:
Please review the PR description and test the changes described there.