Update other routes to QTS link

This updates the "other routes to QTS" link to send users to a more
useful page, as requested by our content designer.

app/views/eligibility_interface/finish/ineligible.html.erb

@@ -8,7 +8,7 @@
 <% if @eligibility_check.ineligible_reasons.include?(:country) %>
   <% if @eligibility_check.england_or_wales? %>
     <p class="govuk-body">This service is for qualified teachers who trained to teach outside of England who want to apply for qualified teacher status (QTS) to teach in English schools.</p>
-    <p class="govuk-body">If you trained in England or Wales, or have not yet qualified, learn more about <%= govuk_link_to "other routes to QTS", "https://getintoteaching.education.gov.uk/train-to-be-a-teacher" %>.</p>
+    <p class="govuk-body">If you trained in England or Wales, or have not yet qualified, learn more about <%= govuk_link_to "other routes to QTS", "https://www.gov.uk/government/publications/apply-for-qualified-teacher-status-qts-if-you-teach-outside-the-uk/routes-to-qualified-teacher-status-qts-for-teachers-and-those-with-teaching-experience-outside-the-uk" %>.</p>
   <% else %>
     <p class="govuk-body">If you are recognised as a teacher in <%= CountryName.from_eligibility_check(@eligibility_check, with_definite_article: true) %> you are not currently eligible to use this service.</p>
 

app/views/eligibility_interface/start/show.erb

@@ -16,7 +16,7 @@
 
 <p class="govuk-body">This service is for qualified teachers who trained to teach outside of England who want to apply for qualified teacher status (QTS) to teach in English schools.</p>
 
-<p class="govuk-body">If you trained in England or Wales, or have not yet qualified, learn more about <%= govuk_link_to "other routes to QTS", "https://getintoteaching.education.gov.uk/train-to-be-a-teacher" %>.
+<p class="govuk-body">If you trained in England or Wales, or have not yet qualified, learn more about <%= govuk_link_to "other routes to QTS", "https://www.gov.uk/government/publications/apply-for-qualified-teacher-status-qts-if-you-teach-outside-the-uk/routes-to-qualified-teacher-status-qts-for-teachers-and-those-with-teaching-experience-outside-the-uk" %>.
 
 <p class="govuk-body">Use this service to:</p>