Bump spring-core from 5.3.19 to 5.3.20

Bumps [spring-core](https://github.com/spring-projects/spring-framework) from 5.3.19 to 5.3.20.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.19...v5.3.20)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Jenkinsfile

@@ -30,7 +30,7 @@
 LABEL = 'ubuntu'
 buildJdk = 'jdk_1.8_latest'
 buildJdk11 = 'jdk_11_latest'
-mavenVersion = 'maven_3.6.3'
+mavenVersion = 'maven_3.8.5'
 
 def defaultPublishers = [artifactsPublisher(disabled: false), junitPublisher(ignoreAttachments: false, disabled: false),
                          findbugsPublisher(disabled: true), openTasksPublisher(disabled: true),

pom.xml

@@ -96,7 +96,7 @@
     <slf4j.version>1.7.32</slf4j.version>
     <log4j.version>2.17.1</log4j.version>
     <ehcache.version>3.9.9</ehcache.version>
-    <spring.version>5.3.19</spring.version>
+    <spring.version>5.3.20</spring.version>
     <cxf.version>3.3.11</cxf.version>
     <jackson.version>2.12.1</jackson.version>
     <hsqldb.version>2.5.0</hsqldb.version>
@@ -398,6 +398,16 @@
         <groupId>org.ehcache</groupId>
         <artifactId>ehcache</artifactId>
         <version>${ehcache.version}</version>
+        <exclusions>
+          <exclusion>
+            <groupId>jakarta.xml.bind</groupId>
+            <artifactId>jakarta.xml.bind-api</artifactId>
+          </exclusion>
+          <exclusion>
+            <groupId>com.sun.activation</groupId>
+            <artifactId>jakarta.activation</artifactId>
+          </exclusion>
+        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.components</groupId>

redback-integrations/redback-rest/redback-rest-services/pom.xml

@@ -134,10 +134,6 @@
       <groupId>jakarta.transaction</groupId>
       <artifactId>jakarta.transaction-api</artifactId>
     </dependency>
-    <dependency>
-      <groupId>jakarta.xml.bind</groupId>
-      <artifactId>jakarta.xml.bind-api</artifactId>
-    </dependency>
     <dependency>
       <groupId>jakarta.inject</groupId>
       <artifactId>jakarta.inject-api</artifactId>