SUP-1712-change the way to fetch token

[effany]

Currently we're gettin toekn from response json data -> token.

Per postman response, the token has now been moved to the upper level. Causing the toolkit task fail on token not found
Making this line change to accommodate the data change

The response from postman:

RESPONSE:
{
"token": "REDACTED",
"user": {
"id": "REDACTED",
"name": "Vulnerability Management API",
"first_time": false,
"is_super": false,
"ui_access": false,
"actions": {},
"scopes": [
"Global"
],
"last_login": 0,
"last_login_formatted": "",
"role": "API View Only Role",
"roles": [
"API View Only Role"
],
"type": "Aqua",
"plan": "",
"enabled": true,
"last_notification": {
"Time": "0001-01-01T00:00:00Z",
"Valid": false
},
"password_expiration": {
"Time": "2024-09-04T00:00:00Z",
"Valid": true
},
"password_expired": true,
"show_notification": true
},
"license_type": "Standard",
"license": {
"type": "",
"organization": "",
"account_id": "",
"client_name": "",
"name": "",
"email": "",
"num_agents": 0,
"num_microenforcers": 0,
"num_hostenforcers": 0,
"num_images": 0,
"num_functions": 0,
"num_advanced_functions": 0,
"num_pas": 0,
"num_code_repositories": 0,
"license_issue_date": 0,
"license_exp_date": 0,
"non_prod": false,
"approved": false,
"external_token": "",
"strict": false,
"level": "",
"vpatch": false,
"vpatch_coverage": 0,
"malware_protection": false,
"tier": "",
"agents_running": 0,
"images_scanned": 0,
"num_protected_kube_nodes": 0
}
}

[dianaroz]

lgtm