renaming privacy to data usage (#22029)

Author: mchenco

public/__redirects

@@ -1641,6 +1641,7 @@
 /workers-ai/privacy/ /workers-ai/platform/privacy/ 301
 /workers-ai/glossary/ /workers-ai/platform/glossary/ 301
 /workers-ai/workers-ai-errors/ /workers-ai/platform/errors/ 301
+/workers-ai/platform/privacy/ /workers-ai/platform/data-usage/ 301
 
 # Guides section
 /workers-ai/demos/ /workers-ai/guides/demos-architectures/ 301

src/content/docs/workers-ai/platform/privacy.mdx renamed to src/content/docs/workers-ai/platform/data-usage.mdx

@@ -1,5 +1,5 @@
 ---
-title: Privacy
+title: Data usage
 pcx_content_type: reference
 sidebar:
   order: 2