Bump Microsoft.AspNetCore.OpenApi and 3 others (#4633)

Bumps Microsoft.AspNetCore.OpenApi from 9.0.8 to 9.0.9
Bumps Microsoft.Azure.SignalR from 1.31.0 to 1.32.0
Bumps Microsoft.Azure.SignalR.Management from 1.31.0 to 1.32.0
Bumps Scalar.AspNetCore from 2.7.2 to 2.8.0

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.OpenApi
  dependency-version: 9.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Azure.SignalR
  dependency-version: 1.32.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Microsoft.Azure.SignalR.Management
  dependency-version: 1.32.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: Scalar.AspNetCore
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]