Describe the bug
A clear and concise description of what the bug is.

Hello,

trying to update Grafana to last version v12.2.0 (Release Date: September 24, 2025) tagging the version in my vars.yml I've received the message:

TASK [galaxy/grafana : Ensure Grafana container image is pulled via community.docker.docker_image] ***********************************************
FAILED - RETRYING: [matrix.example.com]: Ensure Grafana container image is pulled via community.docker.docker_image (10 retries left).
FAILED - RETRYING: [matrix.example.com]: Ensure Grafana container image is pulled via community.docker.docker_image (9 retries left).
[...]

Verifying the existence at https://grafana.com/grafana/download/12.2.0?edition=oss&pg=blog&platform=docker&plcmt=body-txt made me wonder about the correctness of this line in Grafana's ansible role main.yml:

grafana_container_image: "{{ grafana_container_image_registry_prefix }}grafana/grafana-oss:{{ grafana_container_image_tag }}"

comparing with the Grafana-website I put this line in my vars.yml:

grafana_container_image: "{{ grafana_container_image_registry_prefix }}grafana/grafana:{{ grafana_version}}"

and now I have a functioning v12.2.0 on my server.
Please could you evtl. x-check and confirm that in main.yml one must now have:

grafana_container_image: "{{ grafana_container_image_registry_prefix }}grafana/grafana:{{ grafana_container_image_tag }}"

(i.e. without -oss) instead? (for enterprise: grafana-enterprise).

Thank you!

Best regards,
M.

To Reproduce
My vars.yml file looks like this:

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Expected behavior
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Pull of the official grafana oss image successful

Matrix Server:

• OS: [e.g. RaspberryPi OS (based on Debian Bookworm)]
• Architecture [arm64 / RasPi 5 8GB]

Ansible:
If your problem appears to be with Ansible, tell us:

• where you run Ansible — e.g. on the Matrix server itself; on another computer (which OS? distro? standard installation or containerized Ansible?)
• what version of Ansible you're running (see ansible --version)

Client:

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
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