Bump ci cache version

Author: niting3c

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: "Gradle cache"
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.gradle