Merge #761

761: Update npm packages r=matklad a=kjeremy



Co-authored-by: kjeremy <[email protected]>

Author: bors[bot]

editors/code/package-lock.json

@@ -34,14 +34,14 @@
         "vscode-languageclient": "^5.2.1"
     },
     "devDependencies": {
-        "@types/mocha": "^2.2.42",
-        "@types/node": "^8.10.39",
-        "prettier": "^1.15.3",
+        "@types/mocha": "^5.2.5",
+        "@types/node": "^10.12.21",
+        "prettier": "^1.16.4",
         "tslint": "^5.12.1",
-        "tslint-config-prettier": "^1.17.0",
-        "typescript": "^2.6.1",
-        "vsce": "^1.54.0",
-        "vscode": "^1.1.26"
+        "tslint-config-prettier": "^1.18.0",
+        "typescript": "^3.3.1",
+        "vsce": "^1.56.0",
+        "vscode": "^1.1.29"
     },
     "activationEvents": [
         "onLanguage:rust",