build: bump junit.version from 5.11.4 to 5.12.2 + using junit aggregator

Author: SP

pom.xml

@@ -40,7 +40,7 @@
 
     <!-- Spring Boot related dependencies. Keep these in sync! -->
     <spring-boot.version>3.4.4</spring-boot.version>
-    <junit.version>5.11.4</junit.version>
+    <junit.version>5.12.2</junit.version>
     <mockito.version>5.14.2</mockito.version>
     <logback.version>1.5.18</logback.version>
     <slf4j.version>2.0.17</slf4j.version>
@@ -309,19 +309,7 @@
       </dependency>
       <dependency>
         <groupId>org.junit.jupiter</groupId>
-        <artifactId>junit-jupiter-engine</artifactId>
-        <version>${junit.version}</version>
-        <scope>test</scope>
-      </dependency>
-      <dependency>
-        <groupId>org.junit.jupiter</groupId>
-        <artifactId>junit-jupiter-params</artifactId>
-        <version>${junit.version}</version>
-        <scope>test</scope>
-      </dependency>
-      <dependency>
-        <groupId>org.junit.jupiter</groupId>
-        <artifactId>junit-jupiter-migrationsupport</artifactId>
+        <artifactId>junit-jupiter</artifactId>
         <version>${junit.version}</version>
         <scope>test</scope>
       </dependency>