Bump the dotnet group (#1729)

Bumps the dotnet group in /docs/fundamentals/snippets/integrations/AspireApp/AspireApp.AppHost with 2 updates: [Aspire.Hosting.AppHost](https://github.com/dotnet/aspire) and [Aspire.Hosting.PostgreSQL](https://github.com/dotnet/aspire).


Updates `Aspire.Hosting.AppHost` from 8.2.0 to 8.2.1
- [Release notes](https://github.com/dotnet/aspire/releases)
- [Commits](dotnet/aspire@v8.2.0...v8.2.1)

Updates `Aspire.Hosting.PostgreSQL` from 8.2.0 to 8.2.1
- [Release notes](https://github.com/dotnet/aspire/releases)
- [Commits](dotnet/aspire@v8.2.0...v8.2.1)

---
updated-dependencies:
- dependency-name: Aspire.Hosting.AppHost
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Aspire.Hosting.PostgreSQL
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

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