Revert "Migrate CPS to Spring-boot 3.0"

This reverts commit 9693ec51cf6526082f0ad0c3ad208d144cbbb163.

Reason for revert: Bug fix delivery

Change-Id: I73bdc1528192c662983b0bbef73b10b6d612a719
Signed-off-by: egernug <gerard.nugent@est.tech>
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
diff --git a/cps-parent/pom.xml b/cps-parent/pom.xml
index efee388..a8de0ae 100755
--- a/cps-parent/pom.xml
+++ b/cps-parent/pom.xml
@@ -46,7 +46,6 @@
             ../jacoco-report/target/site/jacoco-aggregate/jacoco.xml
         </sonar.coverage.jacoco.xmlReportPaths>
         <parent.directory>${project.basedir}/..</parent.directory>
-        <maven.compiler.release>17</maven.compiler.release>
     </properties>
 
     <profiles>
@@ -118,7 +117,7 @@
                 <plugin>
                     <groupId>org.springframework.boot</groupId>
                     <artifactId>spring-boot-maven-plugin</artifactId>
-                    <version>3.0.0</version>
+                    <version>2.6.4</version>
                     <executions>
                         <execution>
                             <goals>
@@ -170,7 +169,7 @@
                             <!-- The SpotBugs Maven plugin uses SLF4J 1.8 beta 2 -->
                             <groupId>org.slf4j</groupId>
                             <artifactId>slf4j-simple</artifactId>
-                            <version>2.0.6</version>
+                            <version>1.8.0-beta4</version>
                         </dependency>
                     </dependencies>
                     <configuration>
@@ -215,7 +214,7 @@
                 <plugin>
                     <groupId>org.jsonschema2pojo</groupId>
                     <artifactId>jsonschema2pojo-maven-plugin</artifactId>
-                    <version>1.2.1</version>
+                    <version>1.1.1</version>
                     <configuration>
                         <targetVersion>${java.version}</targetVersion>
                     </configuration>
@@ -233,7 +232,10 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>