gnucash-on-windows master: Add a netcat knocker for the installer file.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-windows/commit/1fed834d (commit)
	from  https://github.com/Gnucash/gnucash-on-windows/commit/2d748ba9 (commit)



commit 1fed834df8cb0cbbcdc0ce084ea71ae912e5a19f
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Sep 22 12:01:25 2026 -0700

    Add a netcat knocker for the installer file.



Summary of changes:
 .github/workflows/run-future-ucrt64-nightly.yml | 22 ++++++++++++++++++++++
 buildserver/build_package.ps1                   |  4 ++--
 inno_setup/gnucash-mingw64.iss                  |  7 +++----
 3 files changed, 27 insertions(+), 6 deletions(-)