partdesign: fix failing tapered hole test

The given parameters return an invalid shape. This fails with occt7.4 but doesn't with occt7.3. If the angle is 45 degree the cone is self-intersecting as Hole.Depth > Hole.Diameter/2. Changing the Hole.TaperedAngle to 60 degree solves this issue.

src/Mod/PartDesign/PartDesignTests/TestHole.py

@@ -68,7 +68,7 @@ class TestHole(unittest.TestCase):
     def testTaperedHole(self):
         self.Hole.Diameter = 6
         self.Hole.Depth = 5
-        self.Hole.TaperedAngle = 45
+        self.Hole.TaperedAngle = 60
         self.Hole.ThreadType = 0
         self.Hole.HoleCutType = 0
         self.Hole.DepthType = 0