Sign VTK & OpenCascade dynamic libraries
MSI packaging can benefit from digital signatures in executable files (DLL/EXE/...) and at least some packaging parties tend to require all executables to be signed.
https://docs.microsoft.com/en-us/windows/win32/msi/digital-signatures-and-windows-installer
This repository has tons of unsigned DLLs.
Sign all of them with TSA.