Use ApplicationStatus health check in ServiceDefaults

[matthebrown]

Description

Replaces the default "live" health check in the ServiceDefaults templates with the ApplicationStatus health check from the AspNetCore.HealthChecks.ApplicationStatus package.

Fixes #4110

Checklist

• Is this feature complete?
  • Yes. Ready to ship.
  • No. Follow-up changes expected.
• Are you including unit tests for the changes and scenario tests if relevant?
  • Yes
  • No
• Did you add public API?
  • Yes
    • If yes, did you have an API Review for it?
      • Yes
      • No
    • Did you add <remarks /> and <code /> elements on your triple slash comments?
      • Yes
      • No
  • No
• Does the change make any security assumptions or guarantees?
  • Yes
    • If yes, have you done a threat model and had a security review?
      • Yes
      • No
  • No
• Does the change require an update in our Aspire docs?
  • Yes
    • Is this introducing a breaking change?
      • Yes
        • Link to aspire-docs issue (please use this breaking-change template):
      • No
        • Link to aspire-docs issue (please use this doc-idea template):
  • No

[matthebrown]

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[matthebrown]

Requires AspNetCore.HealthChecks.ApplicationStatus to be added to one of the feeds.

[DamianEdwards]

You've only added it to Playground. You'll need to update the templates themselves.