Update GHA scripts

Author: MisterDA

.github/workflows/build.yml

@@ -36,12 +36,12 @@ jobs:
           git config --global core.eol lf
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Use Node.js 18.x
-        uses: actions/setup-node@v3
+      - name: Use latest Node.js
+        uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: latest
 
       - name: Use OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@v2