Merge pull request #38984 from github/repo-sync

Repo sync

Author: docs-bot

data/reusables/actions/actions-secrets-and-variables-naming.md

@@ -1,5 +1,5 @@
 * Can only contain alphanumeric characters (`[a-z]`, `[A-Z]`, `[0-9]`) or underscores (`_`). Spaces are not allowed.
 * Must not start with the `GITHUB_` prefix.
 * Must not start with a number.
-* Are case insensitive.
+* Are case insensitive when referenced. {% data variables.product.github %} stores secret names as uppercase regardless of how they are entered.
 * Must be unique to the repository, organization, or enterprise where they are created.