Bump Polly from 7.2.4 to 8.0.0 (#872)

Bumps [Polly](https://github.com/App-vNext/Polly) from 7.2.4 to 8.0.0.
- [Release notes](https://github.com/App-vNext/Polly/releases)
- [Changelog](https://github.com/App-vNext/Polly/blob/main/CHANGELOG.md)
- [Commits](App-vNext/Polly@7.2.4...8.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Minio.Examples/Minio.Examples.csproj

@@ -5,7 +5,7 @@
     <IsPackable>False</IsPackable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Polly" Version="7.2.4" />
+    <PackageReference Include="Polly" Version="8.0.0" />
     <ProjectReference Include="..\Minio\Minio.csproj" />
   </ItemGroup>
 </Project>