bump geckodriver to 0.32.0 (SeleniumHQ#1698)

[deploy]

Author: jamesmortensen

NodeFirefox/Dockerfile

@@ -26,7 +26,7 @@ RUN FIREFOX_DOWNLOAD_URL=$(if [ $FIREFOX_VERSION = "latest" ] || [ $FIREFOX_VERS
 # GeckoDriver
 #============
 ARG GECKODRIVER_VERSION=latest
-RUN GK_VERSION=$(if [ ${GECKODRIVER_VERSION:-latest} = "latest" ]; then echo "0.31.0"; else echo $GECKODRIVER_VERSION; fi) \
+RUN GK_VERSION=$(if [ ${GECKODRIVER_VERSION:-latest} = "latest" ]; then echo "0.32.0"; else echo $GECKODRIVER_VERSION; fi) \
   && echo "Using GeckoDriver version: "$GK_VERSION \
   && wget --no-verbose -O /tmp/geckodriver.tar.gz https://github.com/mozilla/geckodriver/releases/download/v$GK_VERSION/geckodriver-v$GK_VERSION-linux64.tar.gz \
   && rm -rf /opt/geckodriver \