Error(parser::definitions::invalid_name)

  💥 invalid variable name: `myName`
   ╭─[tests/diagnostics/invalid_variable_name.oy:1:1]
 1 │ ~main<argc><argv>{<
 2 │     myName = "Awietb";
   ·     ───┬──
   ·        ╰── `myName` is invalid name for variable
 3 │ >}
   ╰────
  help: the variable name must be snake_case. Try `my_name` instead.
