Update GitHub Actions and build with Node 20 (#113)

Author: filiptronicek

.github/workflows/submit.yml

@@ -20,20 +20,20 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.pnpm-store
           key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
           restore-keys: |
             ${{ runner.os }}-
-      - uses: pnpm/action-setup@v2.4.0
+      - uses: pnpm/action-setup@v3
         with:
           version: latest
           run_install: true
-      - name: Use Node.js 18.x
-        uses: actions/setup-node@v3.4.1
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 20.x
           cache: "pnpm"
       - name: Change version (Staging)
         if: env.CHANNEL == 'staging'