Bump System.Linq.Dynamic.Core from 1.6.2 to 1.6.7

---
updated-dependencies:
- dependency-name: System.Linq.Dynamic.Core
  dependency-version: 1.6.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/goatquery-dotnet.csproj

@@ -18,7 +18,7 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
-    <PackageReference Include="System.Linq.Dynamic.Core" Version="1.6.2" />
+    <PackageReference Include="System.Linq.Dynamic.Core" Version="1.6.7" />
   </ItemGroup>
 
   <ItemGroup>