release: Update package.xml version to 1.6.2

12 jobs for v1.6.2 in 33 minutes and 7 seconds (queued for 14 seconds)
Name Stage Failure
format Test
   dynamicgraph::Vector av;
$ flake8 .
./python/dynamic_graph/sot/torque_control/tests/ F401 'pinocchio as se3' imported but unused
./python/dynamic_graph/sot/torque_control/tests/ F401 'pinocchio.robot_wrapper.RobotWrapper' imported but unused
./python/dynamic_graph/sot/torque_control/tests/ F507 '...' % ... has 2 placeholder(s) but 6 substitution(s)
./scripts/ E741 ambiguous variable name 'l'
Cleaning up file based variables
ERROR: Job failed: exit code 1