Process completed with exit code 1.

Missing environment variable. SLACK_WEBHOOK is required.

Process completed with exit code 1.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2, actions/upload-artifact@v2, Ilshidur/action-slack@2.1.0. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/