Without --no-cache newly "built" images end up just creating a new tag
for old images, see below.
$ podman images
REPOSITORY TAG IMAGE ID CREATED SIZE
registry.gitlab.gnome.org/gnome/calls/debian v0.0.20221013 a1c2d79e4f72 4 weeks ago 1.53 GB
registry.gitlab.gnome.org/gnome/calls/debian v0.0.20221117 4d2a38aa5bff 3 months ago 2.01 GB
registry.gitlab.gnome.org/gnome/calls/debian v0.0.20220817 4d2a38aa5bff 3 months ago 2.01 GB