CI: use node 20. fix package.json bin paths

Author: endel

.github/workflows/npm-publish.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v3
       with:
-        node-version: '18.x'
+        node-version: '20.x'
         registry-url: 'https://registry.npmjs.org'
 
     - name: Install dependencies

package.json

@@ -3,8 +3,8 @@
   "version": "3.0.33",
   "description": "Binary state serializer with delta encoding for games",
   "bin": {
-    "schema-codegen": "./bin/schema-codegen",
-    "schema-debug": "./bin/schema-debug"
+    "schema-codegen": "bin/schema-codegen",
+    "schema-debug": "bin/schema-debug"
   },
   "scripts": {
     "build": "tsc && rollup -c rollup.config.mjs",