Upgrade Geckodriver and FoxPuppet (#7575)

.travis.yml

@@ -69,7 +69,7 @@ jobs:
       addons:
         firefox: latest-nightly
         hosts: example.com
-      env: TOXENV=discopane-ui-tests GECKODRIVER=0.21.0 MOZ_HEADLESS=1 PATH=./node_modules/.bin:$PATH
+      env: TOXENV=discopane-ui-tests GECKODRIVER=0.24.0 MOZ_HEADLESS=1 PATH=./node_modules/.bin:$PATH
       install:
         - yarn
         - yarn start-func-test-server &

tests/ui/requirements/requirements.txt

@@ -4,7 +4,7 @@ attrs==18.2.0
 certifi==2018.11.29
 chardet==3.0.4
 execnet==1.5.0
-FoxPuppet==1.0.2
+FoxPuppet==1.0.3
 funcsigs==1.0.2
 idna==2.8
 more-itertools==5.0.0