Add bumping sem-ver to the releasing docs
Add bumping sem-ver to the releasing docs

Change-Id: I60e2c433273aeae522ad3247004522190351264f

openstack/ironic,SauloAislan/ironic,pshchelo/ironic,NaohiroTamura/ironic,openstack/ironic,pshchelo/ironic,NaohiroTamura/ironic,SauloAislan/ironic