upgrade deps

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1904010 13f79535-47bb-0310-9956-ffa450edef68

poi-examples/src/main/groovy/build.gradle

@@ -22,9 +22,9 @@ repositories {
     mavenCentral()
 }
 dependencies {
-    compile 'org.codehaus.groovy:groovy-all:2.4.13'
-    compile 'org.apache.poi:poi:5.0.0'
-    compile 'org.apache.poi:poi-ooxml:5.0.0'
+    compile 'org.codehaus.groovy:groovy-all:2.4.21'
+    compile 'org.apache.poi:poi:5.2.2'
+    compile 'org.apache.poi:poi-ooxml:5.2.2'
 }
 
 // Our files are in the current directory