v23: bumping Go version used for building cross-compilation from 1.4 to 1.4.2
v23: bumping Go version used for building cross-compilation from 1.4 to 1.4.2

Change-Id: I78e41540928974fbd6b191e36bda7b3430f2ce7a

vanadium/go.devtools,vanadium/go.devtools,vanadium/go.devtools