Upgrade OPA Gatekeeper

Summary

• Update OPA Gatekeeper tag to latest 3.3.0-bb.0
• Modified the new way opa-gatekeeper chart handles image pullSecrets.

This is for Epic: https://repo1.dso.mil/groups/platform-one/big-bang/-/epics/63

Closes: https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/342

added gatekeeper statusreview labels

marked this merge request as ready

mentioned in issue #342 (closed)

approved this merge request

LGTM

approved this merge request

approved this merge request

approved this merge request

merged

mentioned in commit ad271d28

mark in releases notes the api spec change: #362 (closed)

mentioned in issue #634 (closed)