Update tests action versions

Author: arkarlov

.github/workflows/tests.yml

@@ -1,9 +1,6 @@
 name: Run tests
 
 on:
-  push:
-    branches:
-      - "main"
   pull_request:
     branches:
       - "main"
@@ -14,10 +11,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20
           cache: "npm"