Update dockerfile-maven plugin
Motivation
dockerfile-maven 1.3.7 has issues connecting to newer Docker daemons. Latest version works fine.
@@ -158,7 +158,7 @@ flexible messaging model and an intuitive client API.</description>
<jackson.version>2.9.7</jackson.version>
<swagger.version>1.5.21</swagger.version>
<puppycrawl.checkstyle.version>6.19</puppycrawl.checkstyle.version>
- <dockerfile-maven.version>1.3.7</dockerfile-maven.version>
+ <dockerfile-maven.version>1.4.9</dockerfile-maven.version>
<typetools.version>0.5.0</typetools.version>
<protobuf2.version>2.4.1</protobuf2.version>
<protobuf3.version>3.5.1</protobuf3.version>
