chore: Try to fix js tests by reverting to checkout v3 (actions/checkout#1487)

Author: marcusramberg

.github/workflows/linux.yml

@@ -10,9 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [18]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{matrix.node-version}}
       uses: actions/setup-node@v3
       with: