* Use docker-meta to generate tags and labels + versioning
I updated the workflow to have additional tags based on git tags.
This way an administrator can get images by Invidious version tag.
* Use current date as image tag
* Switch to YYYY.MM.DD-SHA_SHORT
* Use short sha to follow existing tagging style
* revert build-push-actions to v5
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Co-authored-by: panda <panda@purplehaze.com>