message: Update Debugger Labels
  This PR updates the debugger labels to be:
  .NET Core -> .NET 5+ and .NET Core
  .NET -> .NET Framework 4.x (Windows only)
diff: "debuggers": [
  {
  "type": "coreclr",
  - "label": ".NET Core",
  + "label": ".NET 5+ and .NET Core",
  "languages": [
  "csharp",
  "razor",
  },
  {
  "type": "clr",
  - "label": ".NET",
  + "label": ".NET Framework 4.x (Windows only)",
  "languages": [
  "csharp",
  "razor",
  