chore(vscode): update to 1.56.0

lib/vscode/extensions/vscode-api-tests/package.json

@@ -5,15 +5,13 @@
   "publisher": "vscode",
   "license": "MIT",
   "enableProposedApi": true,
-  "workspaceTrust": {
-    "required": "onDemand"
-  },
   "private": true,
   "activationEvents": [],
   "main": "./out/extension",
   "engines": {
-    "vscode": "^1.25.0"
+    "vscode": "^1.55.0"
   },
+  "icon": "media/icon.png",
   "contributes": {
     "configuration": {
       "type": "object",
@@ -138,6 +136,15 @@
             "filenamePattern": "**/*.nbdtest"
           }
         ]
+      },
+      {
+        "viewType": "notebook.nbdserializer",
+        "displayName": "notebook.nbdserializer",
+        "selector": [
+          {
+            "filenamePattern": "**/*.nbdserializer"
+          }
+        ]
       }
     ]
   },