docs: Point to the right URL for Regal LSP (#44318)

Release Notes:

- N/A

docs/src/languages/rego.md

@@ -3,7 +3,7 @@
 Rego language support in Zed is provided by the community-maintained [Rego extension](https://github.com/StyraInc/zed-rego).
 
 - Tree-sitter: [FallenAngel97/tree-sitter-rego](https://github.com/FallenAngel97/tree-sitter-rego)
-- Language Server: [StyraInc/regal](https://github.com/StyraInc/regal)
+- Language Server: [open-policy-agent/regal](https://github.com/open-policy-agent/regal)
 
 ## Installation