docker: Upgrade cozy-app-dev from 1.2.2 to 1.2.8 (#1667)
docker: Upgrade cozy-app-dev from 1.2.2 to 1.2.8 (#1667)


cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop