chore(test_and_deploy): update actions and node

* chore(test_and_deploy): bump `actions/checkout` to v4

* chore(test_and_deploy): set Node.js version to `lts/iron`

See https://github.com/actions/setup-node.

Author: fh1ch

.github/workflows/test_and_deploy.yml

@@ -7,9 +7,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
+
+    - name: Set Node Version
+      uses: actions/setup-node@v4
       with:
-        node-version: 12.x
+        node-version: lts/iron
 
     - name: Install
       uses: bahmutov/npm-install@v1