update vscode-tmgrammar-test to 0.0.5.'snap' file format change

Author: PanAeon

package.json

@@ -48,7 +48,7 @@
         "ts-node": "^8.1.0",
         "tsc": "^1.20150623.0",
         "typescript": "^3.3.3",
-        "vscode-tmgrammar-test": "0.0.4",
+        "vscode-tmgrammar-test": "0.0.5",
         "vsce": "^1.59.0"
     },
     "scripts": {