Bump Microsoft.OData.Core from 7.20.0 to 7.21.0 (#2024)

Bumps Microsoft.OData.Core from 7.20.0 to 7.21.0.

---
updated-dependencies:
- dependency-name: Microsoft.OData.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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CodeSnippetsReflection.OData/CodeSnippetsReflection.OData.csproj

@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.ApplicationInsights" Version="2.22.0" />
-    <PackageReference Include="Microsoft.OData.Core" Version="7.20.0" />
+    <PackageReference Include="Microsoft.OData.Core" Version="7.21.0" />
   </ItemGroup>
 
   <ItemGroup>