Bump Polly from 8.2.1 to 8.3.0

Bumps [Polly](https://github.com/App-vNext/Polly) from 8.2.1 to 8.3.0.
- [Release notes](https://github.com/App-vNext/Polly/releases)
- [Changelog](https://github.com/App-vNext/Polly/blob/main/CHANGELOG.md)
- [Commits](App-vNext/Polly@8.2.1...8.3.0)

---
updated-dependencies:
- dependency-name: Polly
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

NGitLab.Tests/NGitLab.Tests.csproj

@@ -24,7 +24,7 @@
     </PackageReference>
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />
-    <PackageReference Include="Polly" Version="8.2.1" />
+    <PackageReference Include="Polly" Version="8.3.0" />
     <PackageReference Include="System.Text.Json" Version="8.0.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">
       <PrivateAssets>all</PrivateAssets>