Add remote extension as a dependency

Author: code-asher

package.json

@@ -5,7 +5,7 @@
   "description": "Connect VS Code to your Coder Workspaces",
   "repository": "https://github.com/cdr/vscode-coder",
   "preview": true,
-  "version": "0.0.5",
+  "version": "0.0.6",
   "engines": {
     "vscode": "^1.54.0"
   },
@@ -17,6 +17,9 @@
   "extensionKind": [
     "workspace"
   ],
+  "extensionDependencies": [
+    "ms-vscode-remote.remote-ssh"
+  ],
   "categories": [
     "Other"
   ],