Automatic merge from submit-queue (batch tested with PRs 61354, 61366, 61386, 61394, 60755). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

vendor: Update github.com/evanphx/json-patch

Updates github.com/evanphx/json-patch dependency
to fix handling tests against empty objects/arrays.

Includes fix from evanphx/json-patch#50