Travis-CI ends up with DEBUG logs when default is set to INFO

The logback logger ends up getting included by spring-boot-starter-logging during org.springframework.boot.

Exclude spring-boot-starter-logging and manually include spring-boot-starter-log4j2.

pom.xml

@@ -65,6 +65,17 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-actuator</artifactId>
+      <exclusions>
+          <exclusion>
+              <groupId>org.springframework.boot</groupId>
+              <artifactId>spring-boot-starter-logging</artifactId>
+          </exclusion>
+      </exclusions>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-log4j2</artifactId>
     </dependency>
 
     <dependency>