Bump jetty in /unreleased/samples/applications/store

Bumps jetty from 6.1.19 to 6.1.23.

---
updated-dependencies:
- dependency-name: org.mortbay.jetty:jetty
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/unreleased/samples/applications/store/pom.xml b/unreleased/samples/applications/store/pom.xml
index f02e136..d28a640 100644
--- a/unreleased/samples/applications/store/pom.xml
+++ b/unreleased/samples/applications/store/pom.xml
@@ -72,7 +72,7 @@
         <dependency>
             <groupId>org.mortbay.jetty</groupId>
             <artifactId>jetty</artifactId>
-            <version>6.1.19</version>
+            <version>6.1.23</version>
             <scope>test</scope>
         </dependency>
         <dependency>