pngquant 2.0.0

Closes #22097.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
git 1.8.4

Closes #22098.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Sip 4.15

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Pyqt 4.10.3

Closes #22084.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>