chore: rollback ts version for angular...

Author: farfromrefug

package.json

@@ -83,8 +83,8 @@
         "ts-patch": "^1.3.1",
         "typedoc": "^0.20.16",
         "typedoc-plugin-lerna-packages": "^0.3.1",
-        "typescript": "~4.1.3",
-        "vue": "^2.6.12"
+        "typescript": "~3.9.7",
+        "vue": "3.0.0-rc.13"
     },
     "commitlint": {
         "extends": [