get-openstack-images fails to push an image

{'ubuntu-jammy-plain-kubeadm-1-26-9': {'archive-size': '1181853864', 'compression': 'gz', 'filename': 'ubuntu-jammy-plain-kubeadm-1.26.9.raw', 'flavor': 'plain', 'image-format': 'raw', 'k8s-flavor': 'kubeadm', 'k8s-version': '1.26.9-rke2r1', 'md5': 'bae5ecf50f6a38f759192a5306f9972a', 'os': 'ubuntu', 'os-release': 'jammy', 'sha256': 'd114f9a8b0412d791a03d4b3b3145c10e5b99133d75261e015affffba1aabea7', 'size': '5443289088', 'uri': 'oci://registry.gitlab.com/sylva-projects/sylva-elements/diskimage-builder/ubuntu-jammy-plain-kubeadm-1.26.9:0.1.7'}, 'ubuntu-jammy-plain-rke2-1-26-9': {'archive-size': '1939490553', 'compression': 'gz', 'filename': 'ubuntu-jammy-plain-rke2-1.26.9.raw', 'flavor': 'plain', 'image-format': 'raw', 'k8s-flavor': 'rke2', 'k8s-version': '1.26.9-rke2r1', 'md5': '3ce2a9b432c8dcaf1f9dc832dd8c6899', 'os': 'ubuntu', 'os-release': 'jammy', 'sha256': 'aa729d07a5957dfc30f50ca762c08701fbf9785fafa9e72938ec151ab5cb8c49', 'size': '6207111168', 'uri': 'oci://registry.gitlab.com/sylva-projects/sylva-elements/diskimage-builder/ubuntu-jammy-plain-rke2-1.26.9:0.1.7'}}
Working on image: ubuntu-jammy-plain-kubeadm-1-26-9 with checksum bae5ecf50f6a38f759192a5306f9972a
INFO:__main__:<module>: image not in Glance: ubuntu-jammy-plain-kubeadm-1-26-9 - bae5ecf50f6a38f759192a5306f9972a
INFO:__main__:<module>: Pulling image: ubuntu-jammy-plain-kubeadm-1-26-9 from artifact uri: oci://registry.gitlab.com/sylva-projects/sylva-elements/diskimage-builder/ubuntu-jammy-plain-kubeadm-1.26.9:0.1.7
INFO:oras.logger:text_handler: Successfully pulled /tmp/oras-tmp.6xb7wn3w/sha256:8a72708cdf241dcf70aab3cceca36f917bf51f72142904176d2560c5b27a923d.
INFO:__main__:<module>: Unzipping artifact...
INFO:__main__:unzip_artifact: Extracted '/tmp/oras-tmp.6xb7wn3w/sha256:8a72708cdf241dcf70aab3cceca36f917bf51f72142904176d2560c5b27a923d' to '/tmp/oras-tmp.6xb7wn3w'.
INFO:__main__:unzip_artifact: Gunzipped '/tmp/oras-tmp.6xb7wn3w/ubuntu-jammy-plain-kubeadm-1.26.9.raw.gz' to '/tmp/oras-tmp.6xb7wn3w/ubuntu-jammy-plain-kubeadm-1.26.9.raw'
INFO:__main__:<module>: Pushing image to Glance...
ERROR:__main__:push_image_to_glance: upsie... ForbiddenException: 403: Client Error for url: https://172.20.129.60:13004/v2/images/7953b547-f270-4415-8213-3d89fe31e1d9, Forbidden
WARNING:__main__:<module>: 'NoneType' object is not subscriptable
INFO:__main__:<module>: Updating configmap
Traceback (most recent call last):
  File "/opt/scripts/push-images-to-glance.py", line 165, in <module>
    configmap.update({os_name: image_id['id'] })
                               ~~~~~~~~^^^^^^
TypeError: 'NoneType' object is not subscriptable

/cc @mihai.zaharia