build: update saucelabs connect version (#14930)

devversion · andrewseguin · commit 58254ae419fe · 2019-01-25T09:49:17.000-08:00
diff --git a/scripts/saucelabs/start-tunnel.sh b/scripts/saucelabs/start-tunnel.sh
@@ -2,7 +2,7 @@
 
 set -e -o pipefail
 
-tunnelFileName="sc-4.5.2-linux.tar.gz"
+tunnelFileName="sc-4.5.3-linux.tar.gz"
 tunnelUrl="https://saucelabs.com/downloads/${tunnelFileName}"
 
 tunnelTmpDir="/tmp/material-saucelabs"
