Bump Cratis.Arc, Cratis.Arc.Core and Cratis.Arc.Swagger

Bumps Cratis.Arc from 18.8.4 to 18.8.6
Bumps Cratis.Arc.Core from 18.8.4 to 18.8.6
Bumps Cratis.Arc.Swagger from 18.8.4 to 18.8.6

---
updated-dependencies:
- dependency-name: Cratis.Arc
  dependency-version: 18.8.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Cratis.Arc.Core
  dependency-version: 18.8.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Cratis.Arc.Swagger
  dependency-version: 18.8.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -14,11 +14,11 @@
     <!-- Cratis -->
     <PackageVersion Include="Cratis.Fundamentals" Version="7.5.0" />
     <PackageVersion Include="Cratis.Metrics.Roslyn" Version="7.5.0" />
-    <PackageVersion Include="Cratis.Arc" Version="18.8.4" />
-    <PackageVersion Include="Cratis.Arc.Core" Version="18.8.4" />
+    <PackageVersion Include="Cratis.Arc" Version="18.8.6" />
+    <PackageVersion Include="Cratis.Arc.Core" Version="18.8.6" />
     <PackageVersion Include="Cratis.Arc.MongoDB" Version="18.7.14" />
     <PackageVersion Include="Cratis.Arc.ProxyGenerator.Build" Version="18.8.2" />
-    <PackageVersion Include="Cratis.Arc.Swagger" Version="18.8.4" />
+    <PackageVersion Include="Cratis.Arc.Swagger" Version="18.8.6" />
     <!-- Microsoft -->
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.102" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.2" />