Add link to excluded-links.yml (#55408)

Author: sophietheking

src/links/lib/excluded-links.yml

@@ -96,3 +96,4 @@
 - is: https://www.anthropic.com/news/claude-3-5-sonnet
 - is: https://www.tpgi.com/color-contrast-checker/
 - startsWith: https://github.com/githubcustomers/enterprise-preview-program
+- is: https://aka.ms/copiloteclipse