[ENG-6011] Link My Preprints on nav bar to new page (CenterForOpenSci…

…ence#2336)

## Purpose

Link 'My Preprints' on navbar to new page

## Summary of Changes

Change the link of the My Preprints button on the preprints navbar to link to the new My Preprints page.

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Co-authored-by: Uditi Mehta <uditimehta@coss-mbp.myfiosgateway.com>

lib/osf-components/addon/components/osf-navbar/preprint-links/template.hbs

@@ -1,6 +1,6 @@
 <li data-test-nav-my-preprints-link>
     <OsfLink
-        @href='/myprojects/#preprints'
+        @route='preprints.my-preprints'
         data-analytics-name='My preprints'
         {{on 'click' @onLinkClicked}}
     >