Bump Akka.TestKit.Xunit2 from 1.5.39 to 1.5.48 (#82)

---
updated-dependencies:
- dependency-name: Akka.TestKit.Xunit2
  dependency-version: 1.5.48
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -11,7 +11,7 @@
     </ItemGroup>
     <ItemGroup Label="Test">
         <PackageVersion Include="Akka.TestKit" Version="1.5.39"/>
-        <PackageVersion Include="Akka.TestKit.Xunit2" Version="1.5.39"/>
+        <PackageVersion Include="Akka.TestKit.Xunit2" Version="1.5.48"/>
         <PackageVersion Include="coverlet.collector" Version="6.0.4"/>
         <PackageVersion Include="Microsoft.AspNetCore.StaticFiles" Version="2.3.0"/>
         <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="9.0.1"/>