docs: fix link in dart_pub_publish.md (#135)

* docs: fix link in dart_pub_publish.md

* Update site/docs/workflows/dart_pub_publish.md

* Update site/docs/workflows/dart_pub_publish.md

* Update site/docs/workflows/dart_pub_publish.md

---------

Co-authored-by: Renan <[email protected]>

Author: Scarlett Eliza

site/docs/workflows/dart_pub_publish.md

@@ -47,7 +47,7 @@ The Dart Pub Publish workflow consists of the following steps:
 
 ## Example Usage
 
-We recommend using [GitHub Secrets][github_actions_secrets_docs] for safely storing and reading the credentials.
+We recommend using [GitHub Secrets](https://docs.github.com/en/actions/security-guides/encrypted-secrets) for safely storing and reading the credentials.
 
 ```yaml
 name: My Dart Pub Publish Workflow