Tower runner dispatches/waits on the private GitHub MSVC builder and
verifies the public windows-continuous Forgejo release. Needs
GH_BUILDER_TOKEN on the Forgejo repo.
Co-authored-by: Cursor <cursoragent@cursor.com>
Public repo already; workflow builds portable zip on windows-release
and publishes windows-continuous. Bump linux Conan profile to gcc 16.
Co-authored-by: Cursor <cursoragent@cursor.com>