add topic frontmatter to articles (#18245)

content/github/understanding-how-github-uses-and-protects-your-data/about-githubs-use-of-your-data.md

@@ -6,6 +6,9 @@ redirect_from:
 intro: '{% data variables.product.product_name %} uses your repository''s data to connect you to relevant tools, people, projects, and information.'
 versions:
   free-pro-team: '*'
+topics:
+  - policy
+  - legal
 ---
  
 ### About {% data variables.product.product_name %}'s use of your data

content/github/understanding-how-github-uses-and-protects-your-data/managing-data-use-settings-for-your-private-repository.md

@@ -6,6 +6,9 @@ redirect_from:
   - /github/understanding-how-github-uses-and-protects-your-data/opting-into-or-out-of-data-use-for-your-private-repository
 versions:
   free-pro-team: '*'
+topics:
+  - policy
+  - legal
 ---
 
 ### About data use for your private repository

content/github/understanding-how-github-uses-and-protects-your-data/opting-into-or-out-of-the-github-archive-program-for-your-public-repository.md

@@ -4,6 +4,9 @@ intro: 'You can manage whether {% data variables.product.prodname_dotcom %} incl
 permissions: 'People with admin permissions to a public repository can opt into or out of the {% data variables.product.prodname_archive %}.'
 versions:
   free-pro-team: '*'
+topics:
+  - policy
+  - legal
 ---
 
 {% data reusables.repositories.about-github-archive-program %} For more information, see "[About archiving content and data on {% data variables.product.prodname_dotcom %}](/github/creating-cloning-and-archiving-repositories/about-archiving-content-and-data-on-github#about-the-github-archive-program)."

content/github/understanding-how-github-uses-and-protects-your-data/requesting-an-archive-of-your-personal-accounts-data.md

@@ -6,6 +6,9 @@ redirect_from:
 intro: '{% data reusables.user_settings.export-data %}'
 versions:
   free-pro-team: '*'
+topics:
+  - policy
+  - legal
 ---
 
 {% data variables.product.product_name %} stores repository and profile metadata from your personal account's activity. You can export your personal account's data through settings on {% data variables.product.prodname_dotcom_the_website %} or with the User Migration API.