Bump xunit.v3 from 0.7.0-pre.15 to 1.0.0 in /src

Bumps [xunit.v3](https://github.com/xunit/xunit) from 0.7.0-pre.15 to 1.0.0.
- [Commits](xunit/xunit@v3-0.7.0-pre.15...v3-1.0.0)

---
updated-dependencies:
- dependency-name: xunit.v3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Verify" Version="28.6.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.XunitV3" Version="28.5.0" />
-    <PackageVersion Include="xunit.v3" Version="0.7.0-pre.15" />
+    <PackageVersion Include="xunit.v3" Version="1.0.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0" />
   </ItemGroup>
 </Project>