[SW-1659] Upgrade H2O to 3.26.0.6 (#1556)
[SW-1659] Upgrade H2O to 3.26.0.6 (#1556)


(cherry picked from commit 38a39fcf4a18dfd9acfb95ffc98293d3ccc83b48)

h2oai/sparkling-water,h2oai/sparkling-water,h2oai/sparkling-water,h2oai/sparkling-water