chore(java): Bump com.diffplug.spotless:spotless-maven-plugin from 3.1.0 to 3.2.0 in /java (#3918)

Bumps
[com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless)
from 3.1.0 to 3.2.0.

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

java/pom.xml

@@ -178,7 +178,7 @@
         <plugin>
           <groupId>com.diffplug.spotless</groupId>
           <artifactId>spotless-maven-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.0</version>
         </plugin>
         <plugin>
           <groupId>org.codehaus.mojo.natives</groupId>