analytics: fixup heading levels

Author: bobheadxi

docs/analytics/index.mdx

@@ -12,9 +12,9 @@ To get started, follow our [enablement instructions](#enablement-instructions).
 
 Air-gapped customers can refer to [Sourcegraph Air-Gapped Analytics](/analytics/air-gapped).
 
-### Enablement instructions
+## Enablement instructions
 
-#### Self-hosted and Cloud
+### Self-hosted and Cloud
 
 To enable Sourcegraph Analytics for self-hosted or Cloud instances:
 
@@ -23,14 +23,14 @@ To enable Sourcegraph Analytics for self-hosted or Cloud instances:
 - They will validate your account and link it to your Sourcegraph Enterprise instance's usage metrics.
 - Sign in to [Sourcegraph Analytics](https://analytics.sourcegraph.com).
 
-#### Sourcegraph workspaces
+### Sourcegraph workspaces
 
 To access Sourcegraph workspaces:
 
 - Ensure you are an admin of your [Sourcegraph workspace](https://workspaces.sourcegraph.com).
 - Sign in to [Sourcegraph Analytics](https://analytics.sourcegraph.com) with the same account you use for your workspace.
 
-### Data export and API
+## Data export and API
 
 Sourcegraph Analytics includes a CSV export option with key metrics like the number of searches, chats, autocomplete suggestions, Completion Acceptance Rate (CAR%), and more. The data is split by user, day, client/editor, and programming language.