test(snapshot): refresh flaky help snapshot after rebase onto main

Rebasing onto current main (which added the global --request-timeout option, #17) changes the 'Global options' line rendered in the test flaky --help output. Regenerate the snapshot so the help snapshot test stays green on CI.

Author: lxcario

test/__snapshots__/help.snapshot.test.ts.snap

@@ -372,7 +372,7 @@ Notes:
     this measures replay stability of the saved script against the configured URL.
   • \`--output json\` emits a machine-readable stability report for CI gating.
 
-Global options (--dry-run, --output, --profile, --endpoint-url, --verbose, --debug):
+Global options (--dry-run, --output, --profile, --endpoint-url, --request-timeout, --verbose, --debug):
   testsprite --help
 "
 `;