poi github action

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1903536 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/.github/workflows/test-gradle.yml b/.github/workflows/test-gradle.yml
index ce17027..81461c9 100644
--- a/.github/workflows/test-gradle.yml
+++ b/.github/workflows/test-gradle.yml
@@ -24,7 +24,7 @@
       with:
         distribution: 'temurin'
         java-version: '11'
-        cache: 'maven'
+        cache: 'gradle'
 
     - name: Verify Gradle wrapper
       uses: gradle/wrapper-validation-action@v1