[release/6.x] Bump dotnet-dump in /eng/dependabot (#5458)

Bumps [dotnet-dump](https://github.com/dotnet/diagnostics) from 7.0.442301 to 7.0.447801.
- [Release notes](https://github.com/dotnet/diagnostics/releases)
- [Commits](dotnet/diagnostics@v7.0.442301...v7.0.447801)

---
updated-dependencies:
- dependency-name: dotnet-dump
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

eng/dependabot/Versions.props

@@ -23,6 +23,6 @@
 
     <!-- Release-branch specific reference -->
     <!-- dotnet/diagnostics references -->
-    <MicrosoftDiagnosticsMonitoringVersion>7.0.442301</MicrosoftDiagnosticsMonitoringVersion>
+    <MicrosoftDiagnosticsMonitoringVersion>7.0.447801</MicrosoftDiagnosticsMonitoringVersion>
   </PropertyGroup>
 </Project>