[BUG] C++ standard not captured

[drok]

Describe the bug

When changing the language version of a C++ project, IntelliSense is not configured with the new standard.
This causes IntelliSense to mark as errors language features which are in fact supported (eg, std::string_view is supported in C++ 17 and later)

Steps to reproduce the behavior:

Expected behavior

IntelliSense C++ language standard configuration should be updated immediately when changed in the project

Where does the extension run?

• OS where VSCode runs: Windows 10
• OS where the autotools extension runs: Ubuntu 16
• Extension Version: 0.2.0

What project are you editing?

• Repo: [private]
• Autoconf version (autoconf --version): 2.69
• Automake version (automake --version): 1.15
• Make version (make --version): 4.1
• Using libtool? : no

Additional context

Add any other context about the problem here.

What does the extension log? (OUTPUT pane / "Autotools" channel)

2024-04-01T14:45:03.384Z: starting mergesium.autotools 0.2.0/linux-x64 - pre-release expires 2024-04-15
Package "ad7proxy" version 1.0.0 - bug reports: unknown, url: unknown
Knowledge Base: https://autotools.mergesium.com/kb/ad7proxy?v=1.0.0
Writing the dry-run output: /home/radu/my-proj/build/Debug/.vscode/all.dryrun.log
Exported to Intellisense: build configuration for 2 source files like ad7proxy.cpp, ad7proxy-test.cpp, ...
Generated tasks: 2 build tasks and 1 test tasks in 1 check suites (see Run Task... command)