installer size regression: remove windows debug libraries [CPP-768]

[silverjam]

Jira: https://swift-nav.atlassian.net/browse/CPP-768

Test build of the installers here: https://github.com/swift-nav/swift-toolbox/releases/tag/v4.0.7-installer-size

Should help to fix a regression in the size of the installers for Windos. This removes debug DLLs that get populated in the PySide2 wheel (which end up in our installer).

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After change:

❯ fd -I --glob '*d.dll'
Lib\site-packages\PySide2\Qt5Gamepad.dll
Lib\site-packages\PySide2\plugins\gamepads\xinputgamepad.dll
Lib\site-packages\PySide2\plugins\platforms\qdirect2d.dll
Lib\site-packages\PySide2\plugins\renderplugins\scene2d.dll
Lib\site-packages\PySide2\plugins\scenegraph\qsgd3d12backend.dll

Before change:

❯ fd -I --glob '*d.dll'
Lib\site-packages\PySide2\Qt5Chartsd.dll
Lib\site-packages\PySide2\Qt5Concurrentd.dll
Lib\site-packages\PySide2\Qt5Cored.dll
Lib\site-packages\PySide2\Qt5DBusd.dll
Lib\site-packages\PySide2\Qt5Gamepad.dll
Lib\site-packages\PySide2\Qt5Gamepadd.dll
Lib\site-packages\PySide2\Qt5Guid.dll
Lib\site-packages\PySide2\Qt5Helpd.dll
Lib\site-packages\PySide2\Qt5MultimediaQuickd.dll
Lib\site-packages\PySide2\Qt5MultimediaWidgetsd.dll
Lib\site-packages\PySide2\Qt5Multimediad.dll
Lib\site-packages\PySide2\Qt5Networkd.dll
Lib\site-packages\PySide2\Qt5OpenGLd.dll
Lib\site-packages\PySide2\Qt5PositioningQuickd.dll
Lib\site-packages\PySide2\Qt5Positioningd.dll
Lib\site-packages\PySide2\Qt5PrintSupportd.dll
Lib\site-packages\PySide2\Qt5QmlModelsd.dll
...

[silverjam]

New installer sizes:

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Old installer sizes: