Devcontainer Improvements (#4466)

* Optionally Run `docker-compose`

* Use Traversal Projects Over Solution Files

* Cleanup VSCode Tasks

* Bind DataProtection Keys to Host

- Makes it so the container can be rebuilt without corrupting data

* Update .vscode/tasks.json

Co-authored-by: Matt Bishop <mbishop@bitwarden.com>

---------

Co-authored-by: Matt Bishop <mbishop@bitwarden.com>

global.json

@@ -2,5 +2,8 @@
   "sdk": {
     "version": "8.0.100",
     "rollForward": "latestFeature"
+  },
+  "msbuild-sdks": {
+    "Microsoft.Build.Traversal": "4.1.0"
   }
 }