debugging_helpers: Update submodule

[lugerard]

Updates vs-debugtools from 072f0f8 to 0390c28, picking up:

• Natvis: fix QImage and QPixmap rule ordering for GDB/LLDB
• Natvis: fix QImage display on GDB/LLDB
• Natvis: fix QPixmap expand and DisplayString
• Natvis: fix JSON document types for static builds
• Natvis: fix file/object types for static builds
• Natvis: fix CBOR and JSON types for static builds
• natvis: fix QDateTime DisplayString and Expand
• natvis: replace non-portable __int64 with long long in QDateTime msecs
• natvis: fix QVariant of non-Gui types for static builds

Description

Related issue

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would change existing behavior)
• Documentation update
• Other (please describe)

Checklist

• I have read the contribution guidelines.
• My changes follow the code style of this project (npm run ci-lint:all passes).
• I have tested my changes locally. ([ ] Windows, [ ] Linux, [] MacOS)
• I have updated the documentation where necessary.