Update discussion link (#52)

Update discussion link to category

Author: sinsukehlab

.github/steps/X-finish.md

@@ -21,7 +21,7 @@ Here's a recap of all the tasks you've accomplished in your repository:
 
 ### What's next?
 
-- [We'd love to hear what you thought of this course](https://github.com/skills/.github/discussions).
+- [We'd love to hear what you thought of this course](https://github.com/orgs/skills/discussions/categories/release-based-workflow).
 - [Take another GitHub Skills course](https://github.com/skills).
 - [Read the GitHub Getting Started docs](https://docs.github.com/en/get-started).
 - To find projects to contribute to, check out [GitHub Explore](https://github.com/explore).

README.md

@@ -74,7 +74,7 @@ In this course, you will:
 
 ---
 
-Get help: [Post in our discussion board](https://github.com/skills/.github/discussions) • [Review the GitHub status page](https://www.githubstatus.com/)
+Get help: [Post in our discussion board](https://github.com/orgs/skills/discussions/categories/release-based-workflow) • [Review the GitHub status page](https://www.githubstatus.com/)
 
 © 2023 GitHub • [Code of Conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/code_of_conduct.md) • [MIT License](https://gh.io/mit)