Bump the azure group with 1 update

Bumps Testcontainers from 4.5.0 to 4.6.0

---
updated-dependencies:
- dependency-name: Testcontainers
  dependency-version: 4.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: azure
...

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

Author: dependabot[bot]

test/FluentRest.Tests/FluentRest.Tests.csproj

@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="System.Text.Json" Version="9.0.6" />
-    <PackageReference Include="Testcontainers" Version="4.5.0" />
+    <PackageReference Include="Testcontainers" Version="4.6.0" />
     <PackageReference Include="XUnit.Hosting" Version="2.0.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.1">
       <PrivateAssets>all</PrivateAssets>