Upgrading spotless and switching to Palantir

Author: aaime

geowebcache/pom.xml

@@ -720,7 +720,7 @@
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>
-        <version>2.20.0</version>
+        <version>2.43.0</version>
         <executions>
           <execution>
             <phase>validate</phase>
@@ -731,10 +731,10 @@
         </executions>
         <configuration>
           <java>
-            <googleJavaFormat>
-              <version>1.7</version>
-              <style>AOSP</style>
-            </googleJavaFormat>
+            <palantirJavaFormat>
+              <version>2.50.0</version>
+              <formatJavadoc>true</formatJavadoc>
+            </palantirJavaFormat>
           </java>
           <upToDateChecking>
             <enabled>true</enabled>