ci: Try to fix registry deployment

.github/workflows/release.yml

@@ -10,6 +10,7 @@ jobs:
               uses: actions/setup-node@v4
               with:
                 node-version: 20
+                registry-url: https://npm.pkg.github.com/
                 cache: "npm"
             - run: yarn install
             - run: yarn publish

package.json

@@ -12,6 +12,9 @@
     "katex"
   ],
   "main": "src/index.ts",
+  "publishConfig": {
+    "registry": "https://npm.pkg.github.com"
+  },
   "dependencies": {
     "ckeditor5": "41.4.2"
   },