[New Integration] NetBox

[tehbooom]

Proposed commit message

This PR adds the netbox integration to collect devices and ip addresses from the Netbox API. These two features of netbox are the most used by users. Other features like sites, locations, tenants, etc aren't as high as a priority for a MVP.

This is a new PR since the email associated with #14949 was incorrect causing CLA not to be signed

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

Author's Checklist

• [ ]

How to test this PR locally

Deploy netbox locally alongside elastic-package using this docker compose.

Add the following service to start testing the integration with NetBox

  elastic-agent:
    image: docker.elastic.co/elastic-agent/elastic-agent:9.1.0
    container_name: elastic-agent
    restart: always
    networks:
      - default
      - elastic-package-stack
    user: root
    environment:
      - FLEET_ENROLLMENT_TOKEN=<token_here>
      - FLEET_ENROLL=1
      - FLEET_URL=https://fleet-server:8220
      - FLEET_INSECURE=1

networks:
  elastic-package-stack:
    external: true
    name: elastic-package-stack_default

Related issues

• Closes [Feature Request] NetBox Integration #14300

Screenshots

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

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[elasticmachine]

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