ci: Upgrade faulthandler to non-yanked release

Author: moreati

tests/requirements.txt

@@ -1,11 +1,11 @@
 psutil==5.4.8
 coverage==4.5.1
 Django==1.6.11  # Last version supporting 2.6.
+faulthandler==3.2; python_version < '3.3'
 mock==2.0.0
 pytz==2018.5
 cffi==1.14.3  # Random pin to try and fix pyparser==2.18 not having effect
 pycparser==2.18  # Last version supporting 2.6.
-faulthandler==3.1; python_version < '3.3'  # used by testlib
 pytest-catchlog==1.2.2
 pytest==3.1.2
 timeoutcontext==1.2.0