jq ' map(select(.type == "Progressing"))'

cat data/dep.json | jq '.status.conditions ' cat data/dep.json | jq '.status.conditions | map(select(.type == "Progressing"))' 
[
  {
    "lastTransitionTime": "2020-01-23T03:48:23Z",
    "lastUpdateTime": "2020-01-23T03:48:23Z",
    "message": "Deployment has minimum availability.",
    "reason": "MinimumReplicasAvailable",
    "status": "True",
    "type": "Available"
  },
  {
    "lastTransitionTime": "2020-01-23T03:47:56Z",
    "lastUpdateTime": "2020-01-23T03:48:23Z",
    "message": "ReplicaSet \"machine-api-controllers-5f4ddff7f4\" has successfully progressed.",
    "reason": "NewReplicaSetAvailable",
    "status": "True",
    "type": "Progressing"
  }
]
    
[
  {
    "lastTransitionTime": "2020-01-23T03:47:56Z",
    "lastUpdateTime": "2020-01-23T03:48:23Z",
    "message": "ReplicaSet \"machine-api-controllers-5f4ddff7f4\" has successfully progressed.",
    "reason": "NewReplicaSetAvailable",
    "status": "True",
    "type": "Progressing"
  }
]