JSON key stake of the return clif hdac validator should be renamed as delegation

[psy2848048]

stake seems to be renamed into delegation in the below at clif

  {
    "address": "friday1ajc82rcjzgspdzr3jfv9fzevxxcmpzs6kky9dm0u353em4jatnsq6hp382",
    "consensus_pubkey": "fridayvalconspub16jrl8jvqqye8jnrcxpdxsvj02pnhwutwxegnye2p2dmyj4mf24k4wsnwxdn9gemzwvux23rgwfmz7jnsx4vrsazetfvnvnm2wee5ketegse56m6n9af953zt2e28jsnswc6ryjptxdx8jjekv9rn27nvwac5ymrrfaurx4ntfeexw73jfpey6st4v465w4mfffkkynrp2ph526jxvetrs5sp8qyhs",
    "description": {
      "moniker": "Ozys",
      "identity": "",
      "website": "",
      "details": ""
    },
    "stake": "10000000000000000000000"
  }