Bump Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation from 8.0.20 to 8.0.21

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation
  dependency-version: 8.0.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

LLama.Web/LLama.Web.csproj

@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.20" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.21" />
     <PackageReference Include="System.Linq.Async" Version="6.0.3" />
   </ItemGroup>