Deps: Bump the test-dependencies group with 1 update (#30)

Bumps Xunit.SkippableFact from 1.4.13 to 1.5.61

---
updated-dependencies:
- dependency-name: Xunit.SkippableFact
  dependency-version: 1.5.61
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: André Polykanine <ap@oire.me>

Author: dependabot[bot]

tests/SharpSync.Tests/SharpSync.Tests.csproj

@@ -19,7 +19,7 @@
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="Xunit.SkippableFact" Version="1.4.13" />
+    <PackageReference Include="Xunit.SkippableFact" Version="1.5.61" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>