Add scoped Code Mode execution - #119

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: blackduck-inc/black-duck-security-scan@659a0742e793a093377fab3117b0d90f23b04bfa. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/