Bug 1530794 - [marionette] Bump requirements for Python 3 compatibility. r=ato

Nearly all dependencies except moznetwork and moztest already
support Python3. Lets make those releases the minimum allowed
version.

Differential Revision: https://phabricator.services.mozilla.com/D22105

--HG--
extra : moz-landing-system : lando

testing/marionette/client/requirements.txt

@@ -1,3 +1,3 @@
-mozrunner >= 7.0.1
-mozversion >= 1.1
+mozrunner >= 7.4.0
+mozversion >= 2.1.0
 six

testing/marionette/harness/requirements.txt

@@ -1,15 +1,15 @@
-browsermob-proxy >= 0.6.0
+browsermob-proxy >= 0.8.0
 manifestparser >= 1.1
 marionette-driver >= 2.7.0
-mozcrash >= 0.5
-mozdevice >= 1.1.6
-mozinfo >= 0.8
-mozlog >= 3.0
-moznetwork >= 0.21
-mozprocess >= 0.9
-mozprofile >= 0.7
-mozrunner >= 7.0.1
+mozcrash >= 1.1.0
+mozdevice >= 3.0.0
+mozinfo >= 1.0.0
+mozlog >= 4.0
+moznetwork >= 0.27
+mozprocess >= 1.0.0
+mozprofile >= 2.2.0
+mozrunner >= 7.4.0
 moztest >= 0.8
-mozversion >= 1.1
+mozversion >= 2.1.0
 six
 wptserve >= 2.0.0