test github ci

Author: VampireAchao

.github/workflows/database-tests.yml

@@ -58,7 +58,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Cache Maven packages
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}