upgrade gitub java action

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1891245 13f79535-47bb-0310-9956-ffa450edef68

.github/workflows/test-ant.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup java ${{ matrix.java }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: ${{ matrix.java }}
 

.github/workflows/test-gradle.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
         java-version: 1.8
 

.github/workflows/test-maven.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
         java-version: 1.8