Update heading for inviting user to submit CORE data

app/views/users/new.html.erb

@@ -1,4 +1,4 @@
-<% content_for :title, "Invite user to submit CORE data" %>
+<% content_for :title, "Invite somebody to submit CORE data" %>
 
 <% content_for :before_content do %>
   <%= govuk_back_link(

spec/features/organisation_spec.rb

@@ -47,7 +47,7 @@ RSpec.describe "User Features" do
         click_link("Users")
         click_link("Invite user")
         expect(page).to have_current_path("/users/new")
-        expect(page).to have_content("Invite user to submit CORE data")
+        expect(page).to have_content("Invite somebody to submit CORE data")
         fill_in("user[name]", with: "New User")
         fill_in("user[email]", with: "new_user@example.com")
         choose("user-role-data-provider-field")