typegen: update snapshot for --config flag

Author: pcattori

packages/react-router-dev/__tests__/cli-test.ts

@@ -121,6 +121,7 @@ describe("remix CLI", () => {
             --config, -c        Use specified Vite config file (string)
             --no-typescript     Generate plain JavaScript files
           \`typegen\` Options:
+            --config, -c        Use specified Vite config file (string)
             --watch             Automatically regenerate types whenever route config (\`routes.ts\`) or route modules change
 
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