Adjust text of namespace storage limit email notification

Indicate percentage remaining storage is approximate

ee/app/mailers/emails/namespace_storage_usage_mailer.rb

@@ -28,7 +28,7 @@ module Emails
 
       mail(
         bcc: recipients,
-        subject: s_("NamespaceStorage|Action required: Less than %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}" %
+        subject: s_("NamespaceStorage|Action required: Approximately %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}" %
                     { percentage_of_available_storage: percentage_of_available_storage, namespace_name: namespace.name })
       )
     end

ee/app/views/emails/namespace_storage_usage_mailer/notify_limit_warning.html.haml

 %p
   - name_link = link_to @namespace.name, @usage_quotas_url
-  = html_escape(s_('NamespaceStorage|%{name_with_link} namespace has %{percent} or less namespace storage space remaining.')) % { name_with_link: name_link.html_safe, percent: "#{@percentage_of_available_storage}%" }
+  = html_escape(s_('NamespaceStorage|%{name_with_link} namespace has approximately %{percent} namespace storage space remaining.')) % { name_with_link: name_link.html_safe, percent: "#{@percentage_of_available_storage}%" }
 %p
   = s_('NamespaceStorage|We recommend that you buy additional storage to ensure your service is not interrupted.')
 %p

ee/app/views/emails/namespace_storage_usage_mailer/notify_limit_warning.text.erb

-<%= s_('NamespaceStorage|%{name}(%{url}) namespace has %{percent} or less namespace storage space remaining.') % { name: @namespace.name, url: @usage_quotas_url, percent: "#{@percentage_of_available_storage}%" }%>
+<%= s_('NamespaceStorage|%{name}(%{url}) namespace has approximately %{percent} namespace storage space remaining.') % { name: @namespace.name, url: @usage_quotas_url, percent: "#{@percentage_of_available_storage}%" }%>
 
 <%= s_('NamespaceStorage|We recommend that you buy additional storage to ensure your service is not interrupted.') %>
 

ee/spec/mailers/emails/namespace_storage_usage_mailer_spec.rb

@@ -36,20 +36,21 @@ RSpec.describe Emails::NamespaceStorageUsageMailer do
     it 'creates an email message for a group' do
       mail = described_class.notify_limit_warning(group, recipients, 25)
 
-      expect(mail).to have_subject "Action required: Less than 25% of namespace storage remains for #{group.name}"
+      expect(mail).to have_subject "Action required: Approximately 25% of namespace storage remains for #{group.name}"
       expect(mail).to bcc_to recipients
       expect(mail).to have_body_text "#{usage_quotas_url(group, anchor: 'storage-quota-tab')}"
-      expect(mail).to have_body_text "has 25% or less namespace storage space remaining"
+      expect(mail).to have_body_text "has approximately 25% namespace storage space remaining"
       expect(mail).to have_body_text "#{buy_storage_subscriptions_url(selected_group: group.id)}"
     end
 
     it 'creates an email message for a namespace' do
       mail = described_class.notify_limit_warning(namespace, recipients, 30)
 
-      expect(mail).to have_subject "Action required: Less than 30% of namespace storage remains for #{namespace.name}"
+      expect(mail)
+        .to have_subject "Action required: Approximately 30% of namespace storage remains for #{namespace.name}"
       expect(mail).to bcc_to recipients
       expect(mail).to have_body_text "#{usage_quotas_url(namespace, anchor: 'storage-quota-tab')}"
-      expect(mail).to have_body_text "has 30% or less namespace storage space remaining"
+      expect(mail).to have_body_text "has approximately 30% namespace storage space remaining"
       expect(mail).to have_body_text EE::SUBSCRIPTIONS_MORE_STORAGE_URL
     end
   end

locale/gitlab.pot

@@ -24714,19 +24714,19 @@ msgstr ""
 msgid "NamespaceStorageSize|push to your repository, create pipelines, create issues or add comments. To reduce storage capacity, delete unused repositories, artifacts, wikis, issues, and pipelines."
 msgstr ""
 
-msgid "NamespaceStorage|%{name_with_link} namespace has %{percent} or less namespace storage space remaining."
+msgid "NamespaceStorage|%{name_with_link} namespace has approximately %{percent} namespace storage space remaining."
 msgstr ""
 
 msgid "NamespaceStorage|%{name_with_link} namespace has exceeded its namespace storage limit."
 msgstr ""
 
-msgid "NamespaceStorage|%{name}(%{url}) namespace has %{percent} or less namespace storage space remaining."
+msgid "NamespaceStorage|%{name}(%{url}) namespace has approximately %{percent} namespace storage space remaining."
 msgstr ""
 
 msgid "NamespaceStorage|%{name}(%{url}) namespace has exceeded its namespace storage limit."
 msgstr ""
 
-msgid "NamespaceStorage|Action required: Less than %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}"
+msgid "NamespaceStorage|Action required: Approximately %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}"
 msgstr ""
 
 msgid "NamespaceStorage|Action required: Storage has been exceeded for %{namespace_name}"