upgrade typescript to v4

README.md

@@ -708,7 +708,6 @@ It is possible to sync clients and compute delta updates without loading the Yjs
 document to memory. Yjs exposes an API to compute the differences directly on the
 binary document updates.
 
-
 ```js
 // encode the current state as a binary buffer
 let currentState1 = Y.encodeStateAsUpdate(ydoc1)

package-lock.json

@@ -1598,9 +1598,9 @@
       }
     },
     "lib0": {
-      "version": "0.2.37",
-      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.37.tgz",
-      "integrity": "sha512-XsrAByxF611WDQuUTVQHnSfHQoGO8SexfBl4NPuAhPyHKsDJPRAnSFq4oirnKw8jE2jv1h0xL9CocwlZ+0wzwg==",
+      "version": "0.2.38",
+      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.38.tgz",
+      "integrity": "sha512-ZxnX62R5weebi8bH/Ipc6JBiQIsiQ1D7p3r96zulSSu1byW6DDWSBeI8WC/W5UGtkZ80GktX3JNY2pqhNiXWGA==",
       "requires": {
         "isomorphic.js": "^0.2.0"
       }
@@ -2828,9 +2828,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.9.9",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
-      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
+      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
       "dev": true
     },
     "uc.micro": {

package.json

@@ -70,7 +70,7 @@
   },
   "homepage": "https://docs.yjs.dev",
   "dependencies": {
-    "lib0": "^0.2.37"
+    "lib0": "^0.2.38"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^17.0.0",
@@ -82,7 +82,7 @@
     "rollup": "^2.39.0",
     "standard": "^14.3.4",
     "tui-jsdoc-template": "^1.2.2",
-    "typescript": "^3.9.9",
+    "typescript": "^4.1.5",
     "y-protocols": "^1.0.4"
   }
 }