Bump Docker.DotNet from 3.125.14 to 3.125.15

Bumps [Docker.DotNet](https://github.com/dotnet/Docker.DotNet) from 3.125.14 to 3.125.15.
- [Release notes](https://github.com/dotnet/Docker.DotNet/releases)
- [Commits](dotnet/Docker.DotNet@v3.125.14...v3.125.15)

---
updated-dependencies:
- dependency-name: Docker.DotNet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="$(XunitRunnerVersion)" />
     <PackageVersion Include="Akka.TestKit.Xunit2" Version="$(AkkaVersion)" />
     <PackageVersion Include="Akka.Persistence.Sql.TestKit" Version="$(AkkaVersion)" />
-    <PackageVersion Include="Docker.DotNet" Version="3.125.14" />
+    <PackageVersion Include="Docker.DotNet" Version="3.125.15" />
   </ItemGroup>
 
   <!-- SourceLink support for all Akka.NET projects -->