Bump Microsoft.Extensions.Http.Polly from 10.0.7 to 10.0.8

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Http.Polly
  dependency-version: 10.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/HotChocolateGraphQL.Backend/HotChocolateGraphQL.Backend.csproj

@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="HotChocolate.AspNetCore" Version="16.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="10.0.7" />
+    <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="10.0.8" />
   </ItemGroup>
 
   <ItemGroup>