chore: update spring-boot to 4.0.2

Author: sivaprasadreddy

.github/workflows/maven.yml

@@ -13,7 +13,7 @@ jobs:
     env:
       DOCKER_IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/ft-api-gateway
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # Setup QEMU (for arm emulation on amd64 runner)
       - name: Set up QEMU

pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.10</version>
+        <version>4.0.2</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.sivalabs.ft</groupId>
@@ -17,9 +17,9 @@
     <description>Feature Tracker API Gateway</description>
     <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>
-        <palantir-java-format.version>2.74.0</palantir-java-format.version>
+        <spring-cloud.version>2025.1.0</spring-cloud.version>
+        <spotless-maven-plugin.version>3.2.0</spotless-maven-plugin.version>
+        <palantir-java-format.version>2.85.0</palantir-java-format.version>
         <dockerImageName>sivaprasadreddy/ft-api-gateway</dockerImageName>
     </properties>
     <dependencies>

src/main/resources/application.properties

@@ -1,8 +1,7 @@
 spring.application.name=api-gateway
 server.port=8989
-spring.config.import=optional:configserver:http://localhost:8888
+spring.config.import=${SPRING_CONFIG_IMPORT:optional:configserver:http://localhost:8888}
 
-spring.mvc.problemdetails.enabled=true
 management.endpoints.web.exposure.include=*
 
 spring.cloud.gateway.server.webflux.routes[0].id=feature-service