[CI] Install the required windows test executables

Summary: We need to have them added to our CI artifacts so they can run on the native platform (see run-tests-windows.ps1).

Test Plan:

./contrib/teamcity/build-configurations.py build-win64

Reviewers: #bitcoin_abc, PiRK

Reviewed By: #bitcoin_abc, PiRK

Differential Revision: https://reviews.bitcoinabc.org/D12117