[#2208] Update User Guide to describe --latest tag in publish-RepoSen…

…se (#2244)

The user guide section for `run.sh` requires updating after the PR to publish-RepoSense: reposense/publish-RepoSense#12

Let's update the User Guide to describe `--latest` tag in the `run.sh` section.

docs/ug/runSh.md

@@ -28,4 +28,5 @@ Depending on which version you wish to use for report generation, add one of the
 * `--release`: Use the latest release (Stable)
 * `--master`: Use the latest version of the master branch
 * `--tag TAG` (e.g. `--tag v1.6.1`): Use the version identified by the Git tag given
+* `--latest TAG_PREFIX`: Use the latest version with the given tag prefix (e.g. `--latest v1.6` can use `v1.6.1`)
 * `--commit COMMIT` (e.g. `--commit abc123`): Use the version identified by the Git commit SHA given