buildx failed with: ERROR: failed to solve: failed to push lflang/rti:0.8.3-snapshot: push access denied, repository does not exist or may require authorization: server message: insufficient_scope: authorization failed

Index was out of range. Must be non-negative and less than the size of the collection. (Parameter 'index')

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/