.github: Update docker workflow to update readme in separate job

[ReenigneArcher]

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Repositories

LizardByte/.github

Languages/Skills/Technologies

GitHub actions

Description

Currently the docker workflow will try to update the Dockerhub readme in every job. This should only be done once per workflow run instead of for every single dockerfile.

Estimated Effort

effort:Small

Priority

priority:Medium

Target Milestone

1-3 months

Dependencies

No response