[privacy sandbox] Add a missing new line to the ROW prompt

Add a new line between learn more description #4 and #5.

Bug: 1378703
Change-Id: I555428f62fe5e5c93085876843f49ed34b834ea5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4180728
Reviewed-by: Nicola Tommasi <tommasin@chromium.org>
Auto-Submit: Olesia Marukhno <olesiamarukhno@google.com>
Commit-Queue: Nicola Tommasi <tommasin@chromium.org>
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Cr-Commit-Position: refs/heads/main@{#1095021}

chrome/browser/resources/privacy_sandbox/privacy_sandbox_notice_dialog_app.html

@@ -42,9 +42,9 @@ <h2>$i18n{m1NoticeRowLearnMoreHeading2}</h2>
         <div class="cr-secondary-text">
           $i18n{m1NoticeRowLearnMoreDescription4}
         </div>
-        <div class="cr-secondary-text">
-          $i18n{m1NoticeRowLearnMoreDescription5}
-        </div>
+      </div>
+      <div class="paragraph cr-secondary-text">
+        $i18n{m1NoticeRowLearnMoreDescription5}
       </div>
     </privacy-sandbox-dialog-learn-more>
     <div class="section cr-secondary-text" id="lastTextElement">