gui: "versioner" -> "versioning" and add missing translations

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4435

gui/default/syncthing/usagereport/usageReportModalView.html

@@ -1,7 +1,7 @@
 <modal id="ur" status="info" icon="bar-chart" heading="{{'Allow Anonymous Usage Reporting?' | translate}}" large="yes" closeable="no">
   <div class="modal-body">
     <div ng-if="config.options.urAccepted > 0 && config.options.urAccepted < system.urVersionMax">
-      <p>Anonymous Usage report format has changed. Would you like to move to the new format?</p>
+      <p translate>Anonymous usage report format has changed. Would you like to move to the new format?</p>
     </div>
     <div ng-if="!(config.options.urAccepted > 0 && config.options.urAccepted < system.urVersionMax)">
       <p translate>The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.</p>