Updates cache version (#35)

Author: StrongestNumber9

.github/workflows/upload_release.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Cache Local Maven Repository
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}