Fix name of JSON repository.

src/routes/variables/[variable]/index.ts

@@ -7,8 +7,8 @@ export const GET: RequestHandler = async ({ params }) => {
   const { variable: name } = params
   const variableFilePath = path.join(
     "node_modules",
-    "@openfisca",
-    "france-json",
+    "@leximpact",
+    "socio-fiscal-openfisca-json",
     "variables",
     `${sanitizeFilename(name)}.json`,
   )