Rename `mesh` ports to be prefixed with protocol
Rename `mesh` ports to be prefixed with protocol

At the moment, it's not possible to rename the port names for the mesh ports.  While that behavior would be nice, it would involve a lot of work.

By swapping the names around, we're able to cater to Istio's naming requirements without affecting the user.
coreos/prometheus-operator,coreos/prometheus-operator