[6.8] Bump is-my-json-valid to v2.20.5 (#83642)#83691

Merged

watson merged 1 commit intoelastic:6.8from watson:backport/6.8/pr-83642

Nov 18, 2020

Commits on Nov 18, 2020

Bump is-my-json-valid to v2.20.5 (elastic#83642 )
watson
committed