Switch System.CommandLine to Spectre.CLI

[philasmar]

Issue #, if available:
DOTNET-8095

Description of changes:

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

Attention: Patch coverage is 68.81356% with 276 lines in your changes missing coverage. Please review.

Please upload report for BASE (feature/net8-upgrade@33c3f79). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/AWS.Deploy.CLI/Commands/DeployCommand.cs	60.76%	130 Missing and 34 partials ⚠️
...AWS.Deploy.CLI/Commands/DeleteDeploymentCommand.cs	65.76%	27 Missing and 11 partials ⚠️
...y.CLI/Commands/GenerateDeploymentProjectCommand.cs	84.03%	10 Missing and 9 partials ⚠️
src/AWS.Deploy.CLI/Utilities/CommandLineHelpers.cs	26.31%	12 Missing and 2 partials ⚠️
src/AWS.Deploy.CLI/Commands/ServerModeCommand.cs	74.50%	12 Missing and 1 partial ⚠️
src/AWS.Deploy.DocGenerator/Program.cs	0.00%	8 Missing ⚠️
src/AWS.Deploy.CLI/App.cs	88.88%	4 Missing and 3 partials ⚠️
src/AWS.Deploy.CLI/Program.cs	0.00%	7 Missing ⚠️
...AWS.Deploy.CLI/Commands/CancellableAsyncCommand.cs	70.00%	3 Missing ⚠️
src/AWS.Deploy.CLI/Utilities/TypeResolver.cs	62.50%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@                   Coverage Diff                   @@
##             feature/net8-upgrade     #920   +/-   ##
=======================================================
  Coverage                        ?   62.34%           
=======================================================
  Files                           ?      294           
  Lines                           ?    10736           
  Branches                        ?     1559           
=======================================================
  Hits                            ?     6693           
  Misses                          ?     3484           
  Partials                        ?      559           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.