Update spotless config (#4366)

Update the greclipse version in spotless as directed by build errors
to reduce random formatting errors.

Also, update formatting to new version

Signed-off-by: Danno Ferrin <danno.ferrin@gmail.com>

acceptance-tests/tests/build.gradle

@@ -88,7 +88,11 @@ dependencies {
 test.enabled = false
 
 sourceSets {
-  test { resources { srcDirs "${rootDir}/acceptance-tests/test-plugins/build/libs" } }
+  test {
+    resources {
+      srcDirs "${rootDir}/acceptance-tests/test-plugins/build/libs"
+    }
+  }
 }
 
 processTestResources.dependsOn(':acceptance-tests:test-plugins:testPluginsJar')

build.gradle

@@ -138,7 +138,7 @@ allprojects {
     }
     groovyGradle {
       target '*.gradle'
-      greclipse('4.6.3').configFile(rootProject.file('gradle/formatter.properties'))
+      greclipse('4.21.0').configFile(rootProject.file('gradle/formatter.properties'))
       endWithNewline()
     }
     // Below this line are currently only license header tasks