Remove directxman12 from OWNERS, sub in
Remove directxman12 from OWNERS, sub in

As per
https://groups.google.com/g/kubebuilder/c/-5hOFa_adr4/m/Sp_Zb755AwAJ,
directxman12 is stepping down.

I've added in a couple of folks to make sure we have someone listed in
admins that's an active maintainer (since mengqiy hasn't been active in
a while).

michelle192837/test-infra,cjwagner/test-infra,cjwagner/test-infra,cjwagner/test-infra,cblecker/test-infra,cblecker/test-infra,fejta/test-infra,jessfraz/test-infra,BenTheElder/test-infra,jessfraz/test-infra,jessfraz/test-infra,monopole/test-infra,monopole/test-infra,cjwagner/test-infra,BenTheElder/test-infra,dims/test-infra,michelle192837/test-infra,fejta/test-infra,monopole/test-infra,kubernetes/test-infra,kubernetes/test-infra,fejta/test-infra,monopole/test-infra,dims/test-infra,kubernetes/test-infra,fejta/test-infra,kubernetes/test-infra,cblecker/test-infra,michelle192837/test-infra,cblecker/test-infra,dims/test-infra,BenTheElder/test-infra,dims/test-infra,monopole/test-infra,fejta/test-infra,dims/test-infra,BenTheElder/test-infra,jessfraz/test-infra,BenTheElder/test-infra,kubernetes/test-infra,cjwagner/test-infra,monopole/test-infra,jessfraz/test-infra,cjwagner/test-infra,BenTheElder/test-infra,dims/test-infra,michelle192837/test-infra,cblecker/test-infra,cblecker/test-infra,kubernetes/test-infra,fejta/test-infra,michelle192837/test-infra,jessfraz/test-infra,michelle192837/test-infra