TIKA-4327: update spotless

Author: THausherr

tika-parent/pom.xml

@@ -1575,7 +1575,7 @@
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>
-        <version>3.8.0</version>
+        <version>3.9.0</version>
         <configuration>
           <lineEndings>UNIX</lineEndings>
           <java>