Fix more capitalization of 'merge requests'

We shouldn't be capitalizing 'merge requests' this way in the UI, so
let's fix these UI messages.

ee/app/assets/javascripts/security_configuration/sast/components/configuration_form.vue

@@ -130,14 +130,14 @@ export default {
     submissionError: s__(
       'SecurityConfiguration|An error occurred while creating the merge request.',
     ),
-    submitButton: s__('SecurityConfiguration|Create Merge Request'),
+    submitButton: s__('SecurityConfiguration|Create merge request'),
     cancelButton: __('Cancel'),
     help: __('Help'),
     analyzersHeading: s__('SecurityConfiguration|SAST Analyzers'),
     analyzersSubHeading: s__(
       `SecurityConfiguration|By default, all analyzers are applied in order to
       cover all languages across your project, and only run if the language is
-      detected in the Merge Request.`,
+      detected in the merge request.`,
     ),
     analyzersTipHeading: __('We recommend leaving all SAST analyzers enabled'),
     analyzersTipBody: __(

ee/app/views/projects/_merge_request_status_checks_settings.html.haml

@@ -2,7 +2,7 @@
   %b= s_('StatusCheck|Status checks')
   %p.text-secondary
     - link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: help_page_path('user/project/merge_requests/status_checks') }
-    = s_('StatusCheck|Check for a status response in Merge Requests. Failures do not block merges. %{link_start}Learn more%{link_end}.').html_safe % { link_start: link_start, link_end: '</a>'.html_safe }
+    = s_('StatusCheck|Check for a status response in merge requests. Failures do not block merges. %{link_start}Learn more%{link_end}.').html_safe % { link_start: link_start, link_end: '</a>'.html_safe }
 
   #js-status-checks-settings{ status_checks_app_data(@project) }
     .text-center.gl-mt-3

ee/spec/views/projects/_merge_request_status_checks_settings.html.haml_spec.rb

@@ -18,7 +18,7 @@ RSpec.describe 'projects/_merge_request_status_checks_settings' do
   end
 
   it 'renders the settings description', :aggregate_failures do
-    expect(rendered).to have_content 'Check for a status response in Merge Requests. Failures do not block merges.'
+    expect(rendered).to have_content 'Check for a status response in merge requests. Failures do not block merges.'
     expect(rendered).to have_link 'Learn more', href: '/help/user/project/merge_requests/status_checks'
   end
 

locale/gitlab.pot

@@ -30531,7 +30531,7 @@ msgstr ""
 msgid "SecurityConfiguration|Available with Ultimate"
 msgstr ""
 
-msgid "SecurityConfiguration|By default, all analyzers are applied in order to cover all languages across your project, and only run if the language is detected in the Merge Request."
+msgid "SecurityConfiguration|By default, all analyzers are applied in order to cover all languages across your project, and only run if the language is detected in the merge request."
 msgstr ""
 
 msgid "SecurityConfiguration|Compliance"
@@ -30558,7 +30558,7 @@ msgstr ""
 msgid "SecurityConfiguration|Could not retrieve configuration data. Please refresh the page, or try again later."
 msgstr ""
 
-msgid "SecurityConfiguration|Create Merge Request"
+msgid "SecurityConfiguration|Create merge request"
 msgstr ""
 
 msgid "SecurityConfiguration|Customize common SAST settings to suit your requirements. Configuration changes made here override those provided by GitLab and are excluded from updates. For details of more advanced configuration options, see the %{linkStart}GitLab SAST documentation%{linkEnd}."
@@ -32946,7 +32946,7 @@ msgstr ""
 msgid "StatusCheck|Apply this status check to all branches or a specific protected branch."
 msgstr ""
 
-msgid "StatusCheck|Check for a status response in Merge Requests. Failures do not block merges. %{link_start}Learn more%{link_end}."
+msgid "StatusCheck|Check for a status response in merge requests. Failures do not block merges. %{link_start}Learn more%{link_end}."
 msgstr ""
 
 msgid "StatusCheck|Examples: QA, Security."