Bump EfLocalDb from 20.2.1 to 20.3.0 (#879)

---
updated-dependencies:
- dependency-name: EfLocalDb
  dependency-version: 20.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

src/Directory.Packages.props

@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="EfClassicLocalDb" Version="20.2.1" />
-    <PackageVersion Include="EfLocalDb" Version="20.2.1" />
+    <PackageVersion Include="EfLocalDb" Version="20.3.0" />
     <PackageVersion Include="EntityFramework" Version="6.5.1" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.2" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.9" />