Bump LinqKit.Core

Bumps [LinqKit.Core](https://github.com/scottksmith95/LINQKit) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/scottksmith95/LINQKit/releases)
- [Changelog](https://github.com/scottksmith95/LINQKit/blob/master/PackageReleaseNotes.txt)
- [Commits](scottksmith95/LINQKit@1.2.2...1.2.3)

---
updated-dependencies:
- dependency-name: LinqKit.Core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

samples/snippets/visualbasic/programming-guide/dynamic-linq-expression-trees/dynamic-linq-expression-trees.vbproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="ExpressionTreeToString" Version="3.4.71" />
-    <PackageReference Include="LinqKit.Core" Version="1.2.2" />
+    <PackageReference Include="LinqKit.Core" Version="1.2.3" />
     <PackageReference Include="System.Linq.Dynamic.Core" Version="1.2.23" />
   </ItemGroup>