Bump jetty-server in /uima-ducc-parent

Bumps [jetty-server](https://github.com/eclipse/jetty.project) from 9.4.14.v20181114 to 9.4.17.v20190418.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.14.v20181114...jetty-9.4.17.v20190418)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/uima-ducc-parent/pom.xml b/uima-ducc-parent/pom.xml
index 4af111c..63fb5be 100644
--- a/uima-ducc-parent/pom.xml
+++ b/uima-ducc-parent/pom.xml
@@ -173,7 +173,7 @@
 		<libpam.version>1.7</libpam.version>
 		<jna.version>4.2.2</jna.version>
 		<datatables.version>1.9.1</datatables.version>
-		<jetty.version>9.4.14.v20181114</jetty.version>
+		<jetty.version>9.4.17.v20190418</jetty.version>
 		<orbit-org-apache-jasper.version>2.1.0.v201110031002</orbit-org-apache-jasper.version>
 		<servlet-api.version>2.5</servlet-api.version>