docs(cli): fix broken link in read me (#7463)

Synced from #779 by
ChrisChinchilla:
docs: Fix broken link in read me

---

Fix broken link in readme file.

### Changes are visible to end-users: no

Closes #779

Co-authored-by: Chris Chinchilla <chris@aspect.build>
GitOrigin-RevId: 1a42e0331f2b210f8cb50c27edd7957db74ecc79

gazelle/js/README.md

@@ -17,4 +17,4 @@ Generated targets include:
 
 ### Directives
 
-See [Aspect CLI Directives](https://docs.aspect.build/cli/help/directives.md#JavaScript) for a list of supported directives.
+See [Aspect CLI Directives](https://docs.aspect.build/cli/help/directives#JavaScript) for a list of supported directives.