Update ec2_elb_lb.py (#52729)
Update ec2_elb_lb.py (#52729)

*Calls out that the module can update as well as create and delete ELBs

Co-Authored-By: biohazd <4118a99f16590b20eb55738b7384e9abe6d70e86@users.noreply.github.com>

thaim/ansible,thaim/ansible