Bump Microsoft.Extensions.Identity.Core from 7.0.2 to 7.0.3 (#859)

Bumps [Microsoft.Extensions.Identity.Core](https://github.com/dotnet/aspnetcore) from 7.0.2 to 7.0.3.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](https://github.com/dotnet/aspnetcore/compare/v7.0.2...v7.0.3)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Identity.Core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -27,7 +27,7 @@
     <PackageVersion Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="7.0.3" />
     <PackageVersion Include="Microsoft.AspNetCore.Identity.UI" Version="7.0.2" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
-    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="7.0.2" />
+    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="7.0.3" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Configuration" Version="7.0.0" />
     <PackageVersion Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="7.0.4" />
     <PackageVersion Include="Microsoft.Web.LibraryManager.Build" Version="2.1.175" />