[release]: invoke bash through /usr/bin/env
[release]: invoke bash through /usr/bin/env

This makes sure that the expected bash is ran, instead of the hardcoded
version which may or may not exist at that path.

tstack/lnav,tstack/lnav,sureshsundriyal/lnav,sureshsundriyal/lnav,tstack/lnav,sureshsundriyal/lnav,tstack/lnav,sureshsundriyal/lnav