[JAVA-29171] Upgrade spring-security-core module to Spring Boot 3 (#15487)

spring-security-modules/spring-security-core/pom.xml

@@ -10,8 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>spring-security-modules</artifactId>
+        <artifactId>parent-boot-3</artifactId>
         <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencies>
@@ -66,6 +67,10 @@
         </plugins>
     </build>
 
+    <properties>
+        <start-class>com.baeldung.app.App</start-class>
+    </properties>
+
     <profiles>
         <profile>
             <id>live</id>