fix: use markdownDescription instead of description for settings

Author: olafurpg

package.json

@@ -210,36 +210,35 @@
       }
     ],
     "configuration": {
-      "type": "object",
       "title": "Sourcegraph",
       "properties": {
         "sourcegraph.url": {
           "type": [
             "string"
           ],
           "default": "https://sourcegraph.com",
-          "description": "The base URL of the Sourcegraph instance to use."
+          "markdownDescription": "The base URL of the Sourcegraph instance to use."
         },
         "sourcegraph.accessToken": {
           "type": [
             "string"
           ],
           "default": "",
-          "description": "The access token to query the Sourcegraph API. Create a new access token at https://sourcegraph.com/users/settings/tokens"
+          "markdownDescription": "The access token to query the Sourcegraph API. Create a new access token at https://sourcegraph.com/users/settings/tokens"
         },
         "sourcegraph.remoteUrlReplacements": {
           "type": [
             "object"
           ],
           "default": {},
-          "description": "For each item in this object, replace key with value in the remote url."
+          "markdownDescription": "For each item in this object, replace key with value in the remote url."
         },
         "sourcegraph.defaultBranch": {
           "type": [
             "string"
           ],
           "default": "",
-          "description": "Always open files at this default branch."
+          "markdownDescription": "Always open files at this default branch."
         },
         "sourcegraph.debug": {
           "type": "boolean",