Add scottscheapflights.com / going.com

[ezfe]

Overall Checklist

• I agree to the project's Developer Certificate of Origin
• The top-level JSON objects are sorted alphabetically
• There are no open pull requests for the same update

for shared-credentials.json

• There's evidence the domains are currently related (SSL certificates, DNS entries, valid links between sites, legal documents etc.)
• If using from and to, the new group, the from domain(s) redirect to the to domain to log in.

Evidence: scottscheapflights.com redirects to going.com and going.com references scottscheapflights.com

[ezfe]

Alright I've run multiple scripts and hand-verified the order and can't figure out what the linter doesn't like

[rmondello]

Going to approve this and then I’ll clean up the linter after.