Bump httpclient from 4.5.13 to 4.5.14 in /plugins/maven/example-client

Bumps httpclient from 4.5.13 to 4.5.14.

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents:httpclient
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

plugins/maven/example-client/pom.xml

@@ -158,7 +158,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.13</version>
+            <version>4.5.14</version>
         </dependency>
         <dependency>
             <groupId>javax.validation</groupId>