releng(promo-tools): Update OWNERS for presubmits
releng(promo-tools): Update OWNERS for presubmits

- Drop:
  - hh
  - tpepper
- Add RelEng aliases
- Consolidate WG K8s Infra reviewers to alias (+ thockin)
- Add labels:
  - sig/release
  - area/release-eng
  - area/artifacts

Signed-off-by: Stephen Augustus <0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33@auggie.dev>

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