Update ci workflow

Author: niting3c

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
       - name: "Install packages"
         run: apt-get update && apt-get install -y git
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: "Gradle cache"
         uses: actions/cache@v2
         with: