update deps, engine version and node

Author: lukaszsamson

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v6
         with:
-          node-version: "20.x"
+          node-version: "22.x"
       - name: Resolve vscode-elixir-ls dependencies
         run: |
           npm ci