Updated versions in GitHub workflow validate.yml

Author: Jaid

.github/workflows/validate.yml

@@ -7,11 +7,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: actions/checkout
-        uses: actions/checkout@v2.1.0
+        uses: actions/checkout@v2.3.4
       - name: actions/setup-node
-        uses: actions/setup-node@v1.4.1
+        uses: actions/setup-node@v2.1.4
         with:
-          node-version: "13.13.0"
+          node-version: "14.15.3"
       - name: npm install
         uses: jaid/action-npm-install@master
       - name: Jest