chore(deps): update dependency com.diffplug.spotless:spotless-maven-plugin to v3.2.1

Author: renovate[bot]

pom.xml

@@ -18,7 +18,7 @@
     <properties>
         <java.version>25</java.version>
         <spring-cloud.version>2025.0.1</spring-cloud.version>
-        <spotless-maven-plugin.version>3.0.0</spotless-maven-plugin.version>
+        <spotless-maven-plugin.version>3.2.1</spotless-maven-plugin.version>
         <palantir-java-format.version>2.74.0</palantir-java-format.version>
         <dockerImageName>sivaprasadreddy/ft-api-gateway</dockerImageName>
     </properties>