SSL: blacklist ANSSI intermediate certificate

... because it was used to operate a man-in-the-middle proxy.

Task-number: QTBUG-35474
(backported from commit 7eecbb07184bc8b2c5e7645af2805ba0a2488082)

Change-Id: Ibf15faf0b89fa29a8ca9d9dfeeeab120dd644526
Reviewed-by: Richard J. Moore <rich@kde.org>