Fix logback dependency

Author: acogoluegnes

.github/dependabot.yml

@@ -8,6 +8,8 @@ updates:
      interval: "daily"
    open-pull-requests-limit: 20
    ignore:
+     - dependency-name: "ch.qos.logback:logback-classic"
+       versions: [ "[1.4,)" ]
      - dependency-name: "org.springframework.boot:spring-boot-maven-plugin"
        versions: [ "[3.0,)" ]
  - package-ecosystem: "github-actions"

pom.xml

@@ -64,7 +64,7 @@
     <jgroups-kubernetes.version>2.0.2.Final</jgroups-kubernetes.version>
     <gson.version>2.10.1</gson.version>
     <resilience4j.version>2.1.0</resilience4j.version>
-    <logback.version>1.5.6</logback.version>
+    <logback.version>1.3.14</logback.version>
     <junit.jupiter.version>5.10.2</junit.jupiter.version>
     <mockito.version>5.11.0</mockito.version>
     <assertj.version>3.25.3</assertj.version>
@@ -161,19 +161,6 @@
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
       <version>${logback.version}</version>
-      <optional>true</optional>
-      <exclusions>
-        <exclusion>
-          <groupId>com.sun.mail</groupId>
-          <artifactId>javax.mail</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-    <dependency>
-      <groupId>ch.qos.logback</groupId>
-      <artifactId>logback-core</artifactId>
-      <version>${logback.version}</version>
-      <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>org.jgroups</groupId>
@@ -644,27 +631,6 @@
         <maven.javadoc.skip>false</maven.javadoc.skip>
         <gpg.skip>false</gpg.skip>
       </properties>
-      <dependencies>
-
-        <dependency>
-          <groupId>ch.qos.logback</groupId>
-          <artifactId>logback-classic</artifactId>
-          <version>${logback.version}</version>
-          <exclusions>
-            <exclusion>
-              <groupId>com.sun.mail</groupId>
-              <artifactId>javax.mail</artifactId>
-            </exclusion>
-          </exclusions>
-        </dependency>
-
-        <dependency>
-          <groupId>ch.qos.logback</groupId>
-          <artifactId>logback-core</artifactId>
-          <version>${logback.version}</version>
-        </dependency>
-
-      </dependencies>
       <build>
         <plugins>
           <plugin>