docs: Update link to Scheme extension (#24148)

Marshall Bowers created

This PR updates the link to the Scheme extension in the docs, as it was
moved to a separate repo in #24078.

Release Notes:

- N/A

Change summary

docs/src/languages/scheme.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/languages/scheme.md 🔗

@@ -1,5 +1,5 @@
 # Scheme
 
-Scheme support is available through the [Scheme extension](https://github.com/zed-industries/zed/tree/main/extensions/scheme).
+Scheme support is available through the [Scheme extension](https://github.com/zed-extensions/scheme).
 
 - Tree Sitter: [6cdh/tree-sitter-scheme](https://github.com/6cdh/tree-sitter-scheme)