chore: Bump nix grammar (#849)

github-actions[bot] · web-flow · commit d820d033fd95 · 2024-12-02T02:39:01.000+08:00
diff --git a/repos/nix b/repos/nix
@@ -1 +1 @@
-Subproject commit aa9ab8bbe68fc30c830f423d25638ff943cb89d0
+Subproject commit 21897cc3dcd15325303e46b85295b743742af6ab
