Fix redirect validation output

[queengooborg]

This PR fixes the output for the redirect validation script, ensuring that the pairs are properly displayed.

Before:

info: _redirects.txt for en-us is causing issues: Error: Invalid redirect for /en-US/docs/Web/API/GlobalEventHandlers/onselectstart -> /en-US/docs/Web/API/GlobalFetch/GlobalFetch.fetch() or /en-US/docs/Web/API/HTMLInputElement/selectstart_event -> /en-US/docs/Web/API/fetch

After:

info: _redirects.txt for en-us is causing issues: Error: Invalid redirect for /en-US/docs/Web/API/GlobalEventHandlers/onselectstart -> /en-US/docs/Web/API/HTMLInputElement/selectstart_event or /en-US/docs/Web/API/GlobalFetch/GlobalFetch.fetch() -> /en-US/docs/Web/API/fetch

[fiji-flo]

Thanks for fixing!