force transitive tslib dependencies to use tslib 1.x

Author: lobsterkatie

package.json

@@ -102,7 +102,8 @@
     "typescript": "3.8.3"
   },
   "resolutions": {
-    "**/agent-base": "5"
+    "**/agent-base": "5",
+    "**/tslib": "1"
   },
   "version": "0.0.0",
   "dependencies": {}