[7.x] bump geckodriver binary to 0.27 (#74638)#74675

Merged

dmlemeshko merged 1 commit intoelastic:7.xfrom dmlemeshko:backport/7.x/pr-74638

Aug 10, 2020

+34-52

Commits on Aug 10, 2020

bump geckodriver binary to 0.27 (elastic#74638 )
dmlemeshko
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