Make email addresses links

This ensures that any email addresses in mailer views are rendered as
clickable links.

app/views/shared/teacher_mailer/_any_questions_contact.text.erb

@@ -1 +1 @@
-If you have any questions, contact: <%= t("service.email.enquiries") %>
+If you have any questions, contact: [<%= t("service.email.enquiries") %>](mailto:<%= t("service.email.enquiries") %>)

app/views/teacher_mailer/application_declined.text.erb

@@ -34,7 +34,7 @@ If you would like to request a decision review, you’ll need to provide:
 - formal evidence and reasoning as to how you meet the required assessment criteria
 - additional information not included in your original application that would support your decision review
 
-Your request for review must be received within 28 days of receipt of the decision to decline QTS. Email your request for review, including the information required as above, to <%= t("service.email.enquiries") %>.
+Your request for review must be received within 28 days of receipt of the decision to decline QTS. Email your request for review, including the information required as above, to [<%= t("service.email.enquiries") %>](mailto:<%= t("service.email.enquiries") %>).
 
 If you are not satisfied with the outcome of the decision review, you can request a final formal appeal to a senior Teacher Qualification Manager.
 

app/views/teacher_mailer/initial_checks_passed.text.erb

@@ -4,7 +4,7 @@ Dear <%= application_form_full_name(@application_form) %>
 
 <%= render "shared/teacher_mailer/reference_number" %>
 
-You should now request your <%= region_certificate_name(@application_form.region) %> from <%= region_teaching_authority_name(@application_form.region) %>. Contact them directly and instruct them to send the document to <%= t("service.email.verification") %>.
+You should now request your <%= region_certificate_name(@application_form.region) %> from <%= region_teaching_authority_name(@application_form.region) %>. Contact them directly and instruct them to send the document to [<%= t("service.email.verification") %>](mailto:<%= t("service.email.verification") %>).
 
 Once we receive the document, we’ll begin the full assessment of your application.
 

app/views/teacher_mailer/references_requested.text.erb

@@ -6,6 +6,6 @@ They need to respond by <%= @reference_requests.first.expires_at.to_date.to_fs(:
 
 Contact them to make sure they have received the request. They may need to check their junk email folder.
 
-If they have not received the request, email [email protected]
+If they have not received the request, email [<%= t("service.email.enquiries") %>](mailto:<%= t("service.email.enquiries") %>).
 
 <%= render "shared/teacher_mailer/footer" %>

app/views/teaching_authority_mailer/application_submitted.text.erb

@@ -17,7 +17,7 @@ They’ve told us that they’re qualified to teach children <%= @application_fo
 
 We’d be grateful if you could provide written evidence of their professional standing as a teacher in <%= CountryName.from_region(@region, with_definite_article: true) %>, and email it to us at:
 
-<%= t("service.email.verification") %>
+[<%= t("service.email.verification") %>](mailto:<%= t("service.email.verification") %>)
 
 Please include their QTS application reference number <%= @application_form.reference %>.
 

spec/mailers/teaching_authority_mailer_spec.rb

@@ -81,7 +81,7 @@
 
 We’d be grateful if you could provide written evidence of their professional standing as a teacher in Region Name, and email it to us at:
 
-[email protected]
+[[email protected]](mailto:[email protected])
 
 Please include their QTS application reference number abc.