fix(ci): upgrade to cache v4

Author: ChachyDev

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
         with:
           java-version: '21'
           distribution: 'adopt'
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.gradle/caches