formula_auditor: add audit for elasticsearch and kibana
formula_auditor: add audit for elasticsearch and kibana

Prevent upgrading them to version 7.11 or newer, as they were
relicensed to an incompatible license.

nandub/brew,nandub/brew,EricFromCanada/brew,claui/brew,MikeMcQuaid/brew,claui/brew,nandub/brew,MikeMcQuaid/brew,claui/brew,Homebrew/brew,claui/brew,JCount/brew,MikeMcQuaid/brew,Homebrew/brew,EricFromCanada/brew,Homebrew/brew,EricFromCanada/brew,JCount/brew,nandub/brew,EricFromCanada/brew,Homebrew/brew,JCount/brew,JCount/brew,MikeMcQuaid/brew