Pin es5-ext to 0.10.53.

Fixes #2567

Author: ritwickdey

package-lock.json

@@ -345,7 +345,8 @@
     "tslint": "^6.1.3",
     "typescript": "^4.5.4",
     "vsce": "^2.7.0",
-    "wdio-vscode-service": "^2.0.1"
+    "wdio-vscode-service": "^2.0.1",
+    "es5-ext": "0.10.53"
   },
   "dependencies": {
     "http-shutdown": "^1.2.0",
@@ -354,8 +355,11 @@
     "opn": "^6.0.0",
     "vsls": "^0.3.967"
   },
+  "overrides": {
+    "es5-ext": "0.10.53"
+  },
   "announcement": {
-    "onVersion": "5.7.8",
-    "message": "[NEW] [email protected].8: Improved activation load time"
+    "onVersion": "5.7.9",
+    "message": "[NEW] [email protected].9: Activation load time improved"
   }
 }