docs: add April 6 changelog and update Terraform reference - #121

Verified update permissions
Fetching and validating config file...
Fetching .mintignore file...
Fetching ASSISTANT.md file...
Successfully validated docs.json
No .mintignore file found
No Assistant.md file found
Only runtime docsConfig fields changed, partial deployment update
Runtime-only docsConfig changes, partial deployment update
Fetched all file paths
Fetched 1 OpenApi file(s):
  - api-reference/openapi.json
Fetched 0 AsyncApi file(s)
Skipped OpenAPI navigation generation
Skipped AsyncAPI navigation generation
Successfully updated API reference metadata.
No stale files found
Updating targeted paths:
  changelog/index.mdx
  docs.json
  terraform-reference/data-sources/environment.mdx
  terraform-reference/data-sources/logical_environment.mdx
  terraform-reference/resources/environment.mdx
  terraform-reference/resources/logical_environment.mdx
  terraform-reference/data-sources/flow.mdx
  terraform-reference/resources/flow.mdx
Successfully updated deployment
No LaTeX detected
Successfully saved config
No stale tracked assets found
Updating navigation...
Navigation updated
Skipped editor nav regeneration (no existing record)
Queued search indexing
Skipped search indexing (non-manual update).
Contextual starter questions are not enabled.
Successfully deleted stale OpenAPI document(s)
Successfully deleted stale AsyncAPI document(s)
Cached valid paths
Starting page revalidation...
Revalidating all pages...
Revalidating 169 paths
Page revalidation complete
Successfully deleted stale tracked asset(s)
Queued update of llms-full.txt
Skipping Vercel revalidation (subdomain not in revalidation list)
Updated Cloudflare deployment cache