Update link to Awesome GitHub Copilot Customizations (#44094)

Co-authored-by: Sharra-writes <sharra-writes@github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: 3 people

data/reusables/copilot/prompt-files-preview-note.md

@@ -1,3 +1,3 @@
 > [!NOTE]
 > * {% data variables.product.prodname_copilot_short %} prompt files are in {% data variables.release-phases.public_preview %} and subject to change. {% data reusables.copilot.prompt-files-available-in-editors %} See [AUTOTITLE](/copilot/concepts/prompting/response-customization#about-prompt-files).
-> * For community-contributed examples of prompt files for specific languages and scenarios, see the [Awesome GitHub Copilot Customizations](https://github.com/github/awesome-copilot/blob/main/docs/README.prompts.md) repository.
+> * For community-contributed examples of prompt files for specific languages and scenarios, see the [Awesome {% data variables.product.prodname_copilot %} Customizations](https://awesome-copilot.github.com) site.