Merge pull request #1391 from brendandburns/brendandburns-patch-1

Update maven.yml fix graalvm tests

Author: k8s-ci-robot

.github/workflows/maven.yml

@@ -41,7 +41,7 @@ jobs:
     name: GraalVM Maven Test
     steps:
       - uses: actions/checkout@v2
-      - uses: DeLaGuardo/setup-graalvm@3
+      - uses: DeLaGuardo/setup-graalvm@8bbfe44ef9c6f5c07e5af036a1bffd561c037d18
         with:
           graalvm-version: '19.3.0.java8'
       - name: Build with Maven