Building on linux fails (jenkins)

[jadrake75]

Error: image /var/lib/jenkins/workspace/stamp-image-processing/web-app/assets/icons/win/icon.ico must be at least 256x256
at LinuxPackager.resolveIcon (/var/lib/jenkins/workspace/stamp-image-processing/web-app/node_modules/app-builder-lib/src/platformPackager.ts:696:13)
at runMicrotasks ()
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at LinuxTargetHelper.computeDesktopIcons (/var/lib/jenkins/workspace/stamp-image-processing/web-app/node_modules/app-builder-lib/src/targets/LinuxTargetHelper.ts:70:20)

Issue with the icon is appears - may be subsequent errors would need to be worked