In a rather fantastic and whimsical publicity stunt, Hendrick’s Gin has launched a giant dirigible that, with its vegetable-green livery, has been appropriately christened the Flying Cucumber. The 130-foot-long, 44-foot-tall airship makes its debut today in the skies above Los Angeles—and Robb Report is among the first media outlets to take a flight aboard the gigantic helium-filled gourd. The impetus for this exceptional exploit is Hendrick’s equally distinctive spirit, a gin infused with cucumber essence, in…