ci+security: Phase 4 repo controls + Phase 5 HMAC-authenticated cache#254

Cre-eD merged 7 commits into

mainsimple-container-com/api:mainfrom

fix/phase4-repo-controls-and-phase5-cache-hmacsimple-container-com/api:fix/phase4-repo-controls-and-phase5-cache-hmacCopy head branch name to clipboard