chore: Bump nix grammar

jcs090218 · github-actions[bot] · commit 0c9442c655c0 · 2025-08-10T02:30:18.000Z
diff --git a/repos/nix b/repos/nix
@@ -1 +1 @@
-Subproject commit ea1d87f7996be1329ef6555dcacfa63a69bd55c6
+Subproject commit 42d2e0e2996dec99ea7eb82d64a138e12a7ba006
