FIX: failing Integration tests

this zloirock/core-js#1281
is the issue we're facing. I'll set the node version for these integration tests to 18 for now

.github/workflows/test-integration.yml

@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: '19'
+          node-version: '18'
       - run: npm install
         working-directory: ./launcher
       - run: npm run test ${{ matrix.test.name }}