fix(benchmarks): uses outdated google-java-format, upgrade spotless (#3722)

## Why?

Style format blocked my other PR, tried to run `bash ci/format.sh
--java` but it fails due to using JDK 26

## What does this PR do?

Bring benchmarks project spotless google-java-format in line with parent
pom

## AI Contribution Checklist


- [ ] Substantial AI assistance was used in this PR: No

## Does this PR introduce any user-facing change?

No

Author: stevenschlansker

benchmarks/java/pom.xml

@@ -403,8 +403,7 @@
               <exclude>**/generated/**/*.java</exclude>
             </excludes>
             <googleJavaFormat>
-              <!-- 1.19.1 support JDK21 -->
-              <version>1.19.1</version>
+              <version>${google-java-format.version}</version>
               <style>GOOGLE</style>
             </googleJavaFormat>
           </java>

java/pom.xml

@@ -74,7 +74,8 @@
     <janino.version>3.1.12</janino.version>
     <commons_codec.version>1.13</commons_codec.version>
     <fory.java.rootdir>${basedir}</fory.java.rootdir>
-    <maven-spotless-plugin.version>3.3.0</maven-spotless-plugin.version>
+    <maven-spotless-plugin.version>3.6.0</maven-spotless-plugin.version>
+    <google-java-format.version>1.35.0</google-java-format.version>
     <lombok.version>1.18.38</lombok.version>
     <mockito.version>4.11.0</mockito.version>
   </properties>
@@ -272,8 +273,7 @@
         <configuration>
           <java>
             <googleJavaFormat>
-              <!-- 1.35 support JDK25 -->
-              <version>1.35.0</version>
+              <version>${google-java-format.version}</version>
               <style>GOOGLE</style>
             </googleJavaFormat>
           </java>