Bump Microsoft.Extensions.Http.Polly from 7.0.13 to 8.0.3

Bumps [Microsoft.Extensions.Http.Polly](https://github.com/dotnet/aspnetcore) from 7.0.13 to 8.0.3.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v7.0.13...v8.0.3)

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

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

GitTrends.Functions/GitTrends.Functions.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="GitHubApiStatus.Extensions" Version="2.0.4" />
-        <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="7.0.13" />
+        <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="8.0.3" />
         <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.17.0" OutputItemType="Analyzer" />
         <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.19.0" />
         <PackageReference Include="Refit.HttpClientFactory" Version="7.0.0" />