Utilities/Release: Link statically to QWindowsVistaStyle plugin

We now build with Qt 5.12.  This plugin is needed with Qt >= 5.10.

Fixes: #19147
Suggested-by: mistersandman on gitlab.kitware.com
Status Job ID Name Coverage
  External
passed ghostflow-check-master

passed ghostflow-stager

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passed ghostflow-stager

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passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager