Bump Verify.XunitV3 from 30.5.0 to 30.7.3

---
updated-dependencies:
- dependency-name: Verify.XunitV3
  dependency-version: 30.7.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test/ProjectDiff.Tests/ProjectDiff.Tests.csproj

@@ -17,7 +17,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"/>
         <PackageReference Include="System.Collections.Immutable" Version="9.0.7"/>
         <PackageReference Include="System.IO.Pipelines" Version="9.0.7"/>
-        <PackageReference Include="Verify.XunitV3" Version="30.5.0"/>
+        <PackageReference Include="Verify.XunitV3" Version="30.7.3"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.3">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>