Bump Grpc.AspNetCore.Server.ClientFactory from 2.66.0 to 2.70.0

Bumps [Grpc.AspNetCore.Server.ClientFactory](https://github.com/grpc/grpc-dotnet) from 2.66.0 to 2.70.0.
- [Release notes](https://github.com/grpc/grpc-dotnet/releases)
- [Changelog](https://github.com/grpc/grpc-dotnet/blob/master/doc/release_process.md)
- [Commits](grpc/grpc-dotnet@v2.66.0...v2.70.0)

---
updated-dependencies:
- dependency-name: Grpc.AspNetCore.Server.ClientFactory
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Directory.Packages.props

@@ -7,7 +7,7 @@
     <EfVersion>8.0.10</EfVersion>
     <AspireVersion>8.2.2</AspireVersion>
     <AspireUnstablePackagesVersion>8.0.0-preview.8.24258.2</AspireUnstablePackagesVersion>
-    <GrpcVersion>2.66.0</GrpcVersion>
+    <GrpcVersion>2.70.0</GrpcVersion>
     <DuendeVersion>7.0.7</DuendeVersion>
     <ApiVersioningVersion>8.1.0</ApiVersioningVersion>
   </PropertyGroup>