Bump up nodejs to 20 for gh actions

Author: ZIMkaRU

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         submodules: recursive
     - uses: actions/setup-node@v4
       with:
-        node-version: 18.17.1
+        node-version: 20.18.1
     - name: Install deps
       run: npm i
     - name: Run tests