chore(deps): update dependency com.diffplug.spotless:spotless-maven-plugin to v3.4.0

Author: renovate[bot]

refarch-backend/pom.xml

@@ -48,7 +48,7 @@
         <spring-cloud-dependencies.version>2025.0.1</spring-cloud-dependencies.version> <!-- Must match the chosen Spring Boot version -->
 
         <!-- Linting & Formatting -->
-        <spotless-maven-plugin.version>3.0.0</spotless-maven-plugin.version>
+        <spotless-maven-plugin.version>3.4.0</spotless-maven-plugin.version>
         <itm-java-codeformat.version>1.0.10</itm-java-codeformat.version>
         <pmd-maven-plugin.version>3.28.0</pmd-maven-plugin.version>
         <spotbugs-maven-plugin.version>4.9.8.2</spotbugs-maven-plugin.version>

refarch-eai/pom.xml

@@ -49,7 +49,7 @@
         <camel-spring-boot-dependencies.version>4.14.5</camel-spring-boot-dependencies.version>
 
         <!-- Linting & Formatting -->
-        <spotless-maven-plugin.version>3.0.0</spotless-maven-plugin.version>
+        <spotless-maven-plugin.version>3.4.0</spotless-maven-plugin.version>
         <itm-java-codeformat.version>1.0.10</itm-java-codeformat.version>
         <pmd-maven-plugin.version>3.28.0</pmd-maven-plugin.version>
         <spotbugs-maven-plugin.version>4.9.8.2</spotbugs-maven-plugin.version>