[main] Bump Microsoft.NETCore.DotNetHost in /eng/dependabot/net7.0

Bumps [Microsoft.NETCore.DotNetHost](https://github.com/dotnet/runtime) from 7.0.15 to 7.0.16.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.15...v7.0.16)

---
updated-dependencies:
- dependency-name: Microsoft.NETCore.DotNetHost
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

eng/dependabot/net7.0/Versions.props

@@ -10,6 +10,6 @@
     <!-- Microsoft.Extensions.Logging.Console -->
     <MicrosoftExtensionsLoggingConsole70Version>7.0.0</MicrosoftExtensionsLoggingConsole70Version>
     <!-- Microsoft.NETCore.App -->
-    <MicrosoftNETCoreApp70Version>7.0.15</MicrosoftNETCoreApp70Version>
+    <MicrosoftNETCoreApp70Version>7.0.16</MicrosoftNETCoreApp70Version>
   </PropertyGroup>
 </Project>