Your docker images has no org.opencontainers.image labels.
I need label org.opencontainers.image.version for kubernetes image auto-update features.
Please add missing labels.
Example build from HA: https://github.com/home-assistant/core/blob/dev/.github/workflows/builder.yml#L260
Examples of correct org.opencontainers.image.version labels:
docker pull mariadb:10
docker inspect --format='{{ index .Config.Labels "org.opencontainers.image.version" }}' mariadb:10
10.11.15
docker pull mariadb:latest
docker inspect --format='{{ index .Config.Labels "org.opencontainers.image.version" }}' mariadb:latest
12.1.2
docker pull phpmyadmin/phpmyadmin:latest
docker inspect --format='{{ index .Config.Labels "org.opencontainers.image.version" }}' phpmyadmin/phpmyadmin:latest
5.2.3