Bump Microsoft.Playwright.NUnit and NUnit

Bumps [Microsoft.Playwright.NUnit](https://github.com/microsoft/playwright-dotnet) and [NUnit](https://github.com/nunit/nunit). These dependencies needed to be updated together.

Updates `Microsoft.Playwright.NUnit` from 1.48.0 to 1.49.0
- [Release notes](https://github.com/microsoft/playwright-dotnet/releases)
- [Commits](microsoft/playwright-dotnet@v1.48.0...v1.49.0)

Updates `NUnit` from 4.2.2 to 3.13.2
- [Release notes](https://github.com/nunit/nunit/releases)
- [Changelog](https://github.com/nunit/nunit/blob/main/CHANGES.md)
- [Commits](nunit/nunit@4.2.2...v3.13.2)

---
updated-dependencies:
- dependency-name: Microsoft.Playwright.NUnit
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: NUnit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

PlaywrightTests/PlaywrightTests.csproj

@@ -17,7 +17,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Playwright.NUnit" Version="1.48.0" />
+    <PackageReference Include="Microsoft.Playwright.NUnit" Version="1.49.0" />
   </ItemGroup>
 
 </Project>