Add 3654.vdf58f53e2d15 to API docs (#2565)

Adds the most recent release (3654.vdf58f53e2d15) to the version dropdown
at the top right of https://jenkinsci.github.io/job-dsl-plugin/

Testing done:

* Compiled with `mvn -B -V -e -ntp -Pquick-build clean verify`

* Verified resulting HTML pages from job-dsl-plugin/target/gh-pages
  include 3654.vdf58f53e2d15

Author: MarkEWaite

job-dsl-plugin/pom.xml

@@ -201,6 +201,11 @@
                   <version>${project.version}</version>
                 </artifactItem>
                 <!-- After releasing a new version, add it to the list here! -->
+                <artifactItem>
+                  <groupId>${project.groupId}</groupId>
+                  <artifactId>job-dsl-core</artifactId>
+                  <version>3654.vdf58f53e2d15</version>
+                </artifactItem>
                 <artifactItem>
                   <groupId>${project.groupId}</groupId>
                   <artifactId>job-dsl-core</artifactId>

job-dsl-plugin/src/main/hbs/root.hbs

@@ -21,6 +21,7 @@
                 <select class="version-select form-control">
                     <option value="dsl.json">Current Version</option>
                     <!-- After releasing a new version, add it to the list here! -->
+                    <option value="job-dsl-core-3654.vdf58f53e2d15-apidoc.json">v3654.vdf58f53e2d15</option>
                     <option value="job-dsl-core-1.93-apidoc.json">v1.93</option>
                     <option value="job-dsl-core-1.92-apidoc.json">v1.92</option>
                     <option value="job-dsl-core-1.91-apidoc.json">v1.91</option>