cfs: change banner to remove ISC'26 CFS - #355

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

47:81 [line-length] line too long (85 > 80 characters)

45:81 [line-length] line too long (82 > 80 characters)

17:81 [line-length] line too long (82 > 80 characters)

11:81 [line-length] line too long (88 > 80 characters)