ci : add windows binaries to the release assets

[danbev]

This issue should add windows binaries to the releases like it was done in the past, for example in v1.5.2:
https://github.com/ggml-org/whisper.cpp/releases/tag/v1.5.2

Refs: #2995 (reply in thread)

[peardox]

Kindly refer to #3129 for some notes regarding binary releases