boost: Bump version to 1.74
boost: Bump version to 1.74

OpenBMC moved to Boost 1.74 in Yocto, synced CI docker with it.

Signed-off-by: Wludzik, Jozef <0eb84645443582f7fd87627edeecc1a73211baee@intel.com>
Change-Id: I1c2cc9190c5525a43c881ad9beb15123a95446c0

openbmc/openbmc-build-scripts,openbmc/openbmc-build-scripts