Bump EfClassicLocalDb and EntityFramework in /src (#864)

Bumps [EfClassicLocalDb](https://github.com/SimonCropp/LocalDb) and [EntityFramework](https://github.com/dotnet/ef6). These dependencies needed to be updated together.

Updates `EfClassicLocalDb` from 20.0.3 to 20.1.2
- [Release notes](https://github.com/SimonCropp/LocalDb/releases)
- [Commits](https://github.com/SimonCropp/LocalDb/commits)

Updates `EntityFramework` from 6.5.1 to 6.5.1
- [Release notes](https://github.com/dotnet/ef6/releases)
- [Commits](dotnet/ef6@v6.5.1...v6.5.1)

---
updated-dependencies:
- dependency-name: EfClassicLocalDb
  dependency-version: 20.1.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: EntityFramework
  dependency-version: 6.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="EfClassicLocalDb" Version="20.0.3" />
+    <PackageVersion Include="EfClassicLocalDb" Version="20.1.3" />
     <PackageVersion Include="EfLocalDb" Version="20.0.3" />
     <PackageVersion Include="EntityFramework" Version="6.5.1" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.2" />