Add new docker network in and out group fields

[MichaelKatsoulis]

Proposed commit message

• WHAT: Add docker.network in and out fields definitions
• WHY: These fields were added in beats docker module

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

Related issues

• PR in beats Restore docker.network.in.* and docker.network.out.* fields in docker module beats#40968

Screenshots

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: d31c73f

History

• 💔 Build #19780 failed 5d92fdf

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube

[elastic-vault-github-plugin-prod]

Package docker - 2.12.1 containing this change is available at https://epr.elastic.co/package/docker/2.12.1/