bump deps & add package.json funding

package.json

@@ -6,6 +6,10 @@
   "module": "./src/y-websocket.js",
   "types": "./dist/src/y-websocket.d.ts",
   "sideEffects": false,
+  "funding": {
+    "type": "GitHub Sponsors ❤",
+    "url": "https://github.com/sponsors/dmonad"
+  },
   "scripts": {
     "start": "node ./bin/server.js",
     "dist": "rm -rf dist && rollup -c && tsc",
@@ -41,14 +45,14 @@
     ]
   },
   "dependencies": {
-    "lib0": "^0.2.22",
+    "lib0": "^0.2.28",
     "y-protocols": "^0.2.3"
   },
   "devDependencies": {
-    "rollup": "^1.31.1",
+    "rollup": "^1.32.1",
     "rollup-cli": "^1.0.9",
     "standard": "^12.0.1",
-    "typescript": "^3.7.5",
+    "typescript": "^3.9.5",
     "yjs": "13.0.5"
   },
   "peerDependenies": {