Add metrics to GCP banner

Changelog: changed

app/views/clusters/clusters/_gcp_signup_offer_banner.html.haml

@@ -2,9 +2,10 @@
 
 = render Pajamas::AlertComponent.new(title: s_('ClusterIntegration|Did you know?'),
   alert_options: { class: 'gcp-signup-offer',
-                   data: { feature_id: Users::CalloutsHelper::GCP_SIGNUP_OFFER, dismiss_endpoint: callouts_path }}) do |c|
+                   data: { feature_id: Users::CalloutsHelper::GCP_SIGNUP_OFFER, dismiss_endpoint: callouts_path }},
+                   close_button_options: { data: { track_action: 'click_dismiss', track_label: 'gcp_signup_offer_banner' }}) do |c|
   = c.body do
     = s_('ClusterIntegration|Every new Google Cloud Platform (GCP) account receives $300 in credit upon %{sign_up_link}. In partnership with Google, GitLab is able to offer an additional $200 for both new and existing GCP accounts to get started with GitLab\'s Google Kubernetes Engine Integration.').html_safe % { sign_up_link: link }
   = c.actions do
-    = render Pajamas::ButtonComponent.new(variant: :confirm, href: 'https://cloud.google.com/partners/partnercredit/?pcn_code=0014M00001h35gDQAQ#contact-form', target: '_blank', button_options: { rel: 'noopener noreferrer' }) do
+    = render Pajamas::ButtonComponent.new(variant: :confirm, href: 'https://cloud.google.com/partners/partnercredit/?pcn_code=0014M00001h35gDQAQ#contact-form', target: '_blank', button_options: { rel: 'noopener noreferrer', data: { track_action: 'click_button', track_label: 'gcp_signup_offer_banner' } }) do
       = s_("ClusterIntegration|Apply for credit")

config/events/20230508093658_gcp_signup_offer_click_click.yml

+---
+description: GCP offer banner Apply for credit is clicked
+category: gcp_signup_offer_click
+action: click
+label_description: 'gcp_signup_offer_banner'
+property_description:
+value_description:
+extra_properties:
+identifiers:
+product_section: ops
+product_stage: deploy
+product_group: group::environments
+milestone: '16.0'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/119940
+distributions:
+  - ce
+  - ee
+tiers:
+  - free
+  - premium
+  - ultimate

config/events/20230508093912_gcp_signup_offer_dismiss_dismiss.yml

+---
+description: GCP offer banner is dismissed
+category: gcp_signup_offer_dismiss
+action: dismiss
+label_description: 'gcp_signup_offer_banner'
+property_description:
+value_description:
+extra_properties:
+identifiers:
+product_section: ops
+product_stage: deploy
+product_group: group::environments
+milestone: '16.0'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/119940
+distributions:
+  - ce
+  - ee
+tiers:
+  - free
+  - premium
+  - ultimate