Clarify CC validation is for shared runners

ee/app/assets/javascripts/billings/components/account_verification_modal.vue

@@ -12,7 +12,7 @@ const IFRAME_MINIMUM_HEIGHT = 350;
 const i18n = Object.freeze({
   title: s__('Billings|Validate user account'),
   description: s__(`
-Billings|To use free pipeline minutes, you'll need to validate your account with a credit card. This is required to discourage and reduce abuse on GitLab infrastructure.
+Billings|To use free pipeline minutes on shared runners, you’ll need to validate your account with a credit card. This is required to discourage and reduce abuse on GitLab infrastructure.
 %{strongStart}GitLab will not charge or store your credit card, it will only be used for validation.%{strongEnd}`),
   iframeNotSupported: __('Your browser does not support iFrames'),
   actions: {

ee/app/assets/javascripts/billings/components/cc_validation_required_alert.vue

@@ -12,7 +12,7 @@ const i18n = {
   },
   dangerAlert: {
     title: s__('Billings|User validation required'),
-    text: s__(`Billings|To use free pipeline minutes, you'll need to validate your account with a credit card.
+    text: s__(`Billings|To use free pipeline minutes on shared runners, you’ll need to validate your account with a credit card. If you prefer not to provide a credit card, you can run pipelines by bringing your own runners and disabling shared runners for your project.
     This is required to discourage and reduce abuse on GitLab infrastructure.
 %{strongStart}GitLab will not charge or store your credit card, it will only be used for validation.%{strongEnd}`),
     primaryButtonText: s__('Billings|Validate account'),

locale/gitlab.pot

@@ -5051,7 +5051,10 @@ msgstr ""
 msgid "BillingPlan|Upgrade for free"
 msgstr ""
 
-msgid "Billings|To use free pipeline minutes, you'll need to validate your account with a credit card. This is required to discourage and reduce abuse on GitLab infrastructure. %{strongStart}GitLab will not charge or store your credit card, it will only be used for validation.%{strongEnd}"
+msgid "Billings|To use free pipeline minutes on shared runners, you’ll need to validate your account with a credit card. If you prefer not to provide a credit card, you can run pipelines by bringing your own runners and disabling shared runners for your project. This is required to discourage and reduce abuse on GitLab infrastructure. %{strongStart}GitLab will not charge or store your credit card, it will only be used for validation.%{strongEnd}"
+msgstr ""
+
+msgid "Billings|To use free pipeline minutes on shared runners, you’ll need to validate your account with a credit card. This is required to discourage and reduce abuse on GitLab infrastructure. %{strongStart}GitLab will not charge or store your credit card, it will only be used for validation.%{strongEnd}"
 msgstr ""
 
 msgid "Billings|User successfully validated"