chore(github): Add mergify config (#484)
chore(github): Add mergify config (#484)

Automatically merge PRs when
a) ready label is present and
b) ci passed
c) the PR has at least 1 approval by someone who is a member of oss-approvers group

Also, automatically merge kork autoBumps on CI success
spinnaker/fiat,cfieber/fiat,spinnaker/fiat,cfieber/fiat,spinnaker/fiat,cfieber/fiat