fix(app): revert to digicert signing#18785

sfoster1 wants to merge 3 commits into

chore_release-8.5.0Opentrons/opentrons:chore_release-8.5.0from

rqa-4324-worst-day-of-my-life-app-build-bothOpentrons/opentrons:rqa-4324-worst-day-of-my-life-app-build-bothCopy head branch name to clipboard