Bump yjs from 13.6.18 to 13.6.21

Bumps [yjs](https://github.com/yjs/yjs) from 13.6.18 to 13.6.21.
- [Release notes](https://github.com/yjs/yjs/releases)
- [Commits](https://github.com/yjs/yjs/compare/v13.6.18...v13.6.21)

---
updated-dependencies:
- dependency-name: yjs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -39,7 +39,7 @@
         "ws": "^8.18.0",
         "xstate": "^4.37.1",
         "yargs": "^17.7.2",
-        "yjs": "^13.6.18"
+        "yjs": "^13.6.21"
       },
       "devDependencies": {
         "@babel/core": "^7.25.2",
@@ -9058,7 +9058,6 @@
       "version": "0.2.5",
       "resolved": "https://registry.npmjs.org/isomorphic.js/-/isomorphic.js-0.2.5.tgz",
       "integrity": "sha512-PIeMbHqMt4DnUP3MA/Flc0HElYjMXArsw1qwJZcm9sqR8mq3l8NYizFMty0pWwE/tzIGH3EKK5+jes5mAr85yw==",
-      "license": "MIT",
       "funding": {
         "type": "GitHub Sponsors ❤",
         "url": "https://github.com/sponsors/dmonad"
@@ -11077,10 +11076,9 @@
       }
     },
     "node_modules/lib0": {
-      "version": "0.2.96",
-      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.96.tgz",
-      "integrity": "sha512-xeV9M34+D4HD1sd6xAarnWYgU7pKau64bvmPySibX85G+hx/KonzISpO409K6OS9IVLORWfQZkKBRZV5sQegFQ==",
-      "license": "MIT",
+      "version": "0.2.99",
+      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.99.tgz",
+      "integrity": "sha512-vwztYuUf1uf/1zQxfzRfO5yzfNKhTtgOByCruuiQQxWQXnPb8Itaube5ylofcV0oM0aKal9Mv+S1s1Ky0UYP1w==",
       "dependencies": {
         "isomorphic.js": "^0.2.4"
       },
@@ -15118,12 +15116,11 @@
       }
     },
     "node_modules/yjs": {
-      "version": "13.6.18",
-      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.6.18.tgz",
-      "integrity": "sha512-GBTjO4QCmv2HFKFkYIJl7U77hIB1o22vSCSQD1Ge8ZxWbIbn8AltI4gyXbtL+g5/GJep67HCMq3Y5AmNwDSyEg==",
-      "license": "MIT",
+      "version": "13.6.21",
+      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.6.21.tgz",
+      "integrity": "sha512-/fzzyeCAfr3Qwx1D71zvumm64x+Q5MEFel6EhWlA1IBFxWPb7tei4J2a8CJyjpYHfVrRij5q3RJTK9W2Iqjouw==",
       "dependencies": {
-        "lib0": "^0.2.86"
+        "lib0": "^0.2.98"
       },
       "engines": {
         "node": ">=16.0.0",

package.json

@@ -45,7 +45,7 @@
     "ws": "^8.18.0",
     "xstate": "^4.37.1",
     "yargs": "^17.7.2",
-    "yjs": "^13.6.18"
+    "yjs": "^13.6.21"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",