buildx failed with: ERROR: failed to solve: process "/bin/sh -c flutter build web --no-tree-shake-icons" did not complete successfully: exit code: 1

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1, docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/