fix(echo): restrict expected-artifact expression evaluation#8

jasonmcintosh merged 1 commit intorelease-1.36.xarmory-io/echo:release-1.36.xfrom

backport/echo-9582901-expr-hardening-release-1.36.xarmory-io/echo:backport/echo-9582901-expr-hardening-release-1.36.xCopy head branch name to clipboard