fix debuggers configuration

[sambacha]

Command 'Start Debug Session' resulted in an error

command 'sol.startDebug' not found

[ferranbt]

Hi! How are you calling the debug command? Is it from the code pragma on top of the test?

[sambacha]

The VSCode setting is the issue, https://github.com/runtimeverification/simbolik-vscode for example shows up, I will circle back around and open PR just posting issues right now ser