Bump xunit.runner.visualstudio from 2.5.6 to 2.5.7 (#727)

Bumps [xunit.runner.visualstudio](https://github.com/xunit/visualstudio.xunit) from 2.5.6 to 2.5.7.
- [Release notes](https://github.com/xunit/visualstudio.xunit/releases)
- [Commits](xunit/visualstudio.xunit@2.5.6...2.5.7)

---
updated-dependencies:
- dependency-name: xunit.runner.visualstudio
  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>
(cherry picked from commit 31957a9)
(cherry picked from commit 3800142)

Alpaca.Markets.Extensions.Tests/Alpaca.Markets.Extensions.Tests.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="RichardSzalay.MockHttp" Version="7.0.0" />
     <PackageReference Include="System.Linq.Async" Version="6.0.1" />
     <PackageReference Include="xunit" Version="2.6.6" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>

Alpaca.Markets.Tests/Alpaca.Markets.Tests.csproj

@@ -18,7 +18,7 @@
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="7.0.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>