gitignore ansible retry files
gitignore ansible retry files

related to #1483

micahflee/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,ehartsuyker/securedrop,micahflee/securedrop,heartsucker/securedrop,heartsucker/securedrop,heartsucker/securedrop,garrettr/securedrop,ehartsuyker/securedrop,garrettr/securedrop,garrettr/securedrop,micahflee/securedrop,conorsch/securedrop,ehartsuyker/securedrop,micahflee/securedrop,conorsch/securedrop,ageis/securedrop,conorsch/securedrop,ageis/securedrop,heartsucker/securedrop,conorsch/securedrop,ehartsuyker/securedrop,ageis/securedrop,ehartsuyker/securedrop,garrettr/securedrop,conorsch/securedrop,ageis/securedrop