content(events): wire HubSpot forms for Neo Docker Sandbox workshops (#20500)

Adds the per-session HubSpot form and Salesforce campaign IDs from
pulumi/marketing#1798 (US and EU sessions each have their own form).

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: dirien

content/events/neo-in-a-docker-sandbox-eu/index.md

@@ -76,7 +76,7 @@ tags:
 # The right hand side form section.
 form:
     # HubSpot form id.
-    hubspot_form_id:
-    salesforce_campaign_id:
+    hubspot_form_id: ef67fdd1-fe12-427d-84c3-f3b99476d792
+    salesforce_campaign_id: 701PQ00000yEZhiYAG
 
 ---

content/events/neo-in-a-docker-sandbox/index.md

@@ -76,7 +76,7 @@ tags:
 # The right hand side form section.
 form:
     # HubSpot form id.
-    hubspot_form_id:
-    salesforce_campaign_id:
+    hubspot_form_id: 37d15e98-1e00-4b10-864c-629d7f55d4a1
+    salesforce_campaign_id: 701PQ00000yEUGcYAO
 
 ---