chore: update connectors to 0.5.5
<jackson.version>2.8.7</jackson.version>
<fabric8-maven-plugin.version>3.3.0</fabric8-maven-plugin.version>
<license-maven-plugin.version>3.0</license-maven-plugin.version>
- <syndesis-connector.version>0.5.1</syndesis-connector.version>
+ <syndesis-connector.version>0.5.5</syndesis-connector.version>
<!-- Base image to use for Docker images. Pinned to 1.2.3 since 1.2.4 has issues because
of Java 1.8.0_121 (1.2.3 is running 1.8.0_111) -->
<java-image>fabric8/java-jboss-openjdk8-jdk:1.2.3</java-image>
