feat(shorebird_cli): warn users of incomplete release when patching

[bryanoltman]

Description

If the release being patched is in a "draft" state, inform the user and tell them how to proceed.

Part of #774

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (c6a04c8) 100.00% compared to head (f22706c) 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #876    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          147        76    -71     
  Lines         3531      2730   -801     
==========================================
- Hits          3531      2730   -801     

Impacted Files	Coverage Δ
...horebird_cli/lib/src/code_push_client_wrapper.dart	100.00% <100.00%> (ø)
..._cli/lib/src/commands/patch/patch_aar_command.dart	100.00% <100.00%> (ø)
.../lib/src/commands/patch/patch_android_command.dart	100.00% <100.00%> (ø)
..._cli/lib/src/commands/patch/patch_ios_command.dart	100.00% <100.00%> (ø)

... and 71 files with indirect coverage changes

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