feat: add live backup copy tracking for export sql command

[luismulinari]

Description

This PR enhances telemetry tracking for the vip export sql command by adding the live_backup_copy parameter to track usage of the live backup copy feature.

Pull request checklist

• Update SETUP.md with any new environmental variables.
• Update the documentation.
• Manually test the relevant changes.
• Follow the pull request checklist
• Add/update automated tests as needed.

New release checklist

• Automated tests pass.
• The Preparing for release checklist is completed.

Steps to Test

Outline the steps to test and verify the PR here.

Example:

1. Check out PR.
2. Run npm run build
3. Run ./dist/bin/vip-cookies.js nom
4. Verify cookies are delicious.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud

[rinatkhaziev]

Tested, works

  @automattic/vip:analytics:clients:tracks trackEvent() {
  'events[0][_en]': 'vip_cli_dev_export_sql_command_execute',
  'events[0][cli_version]': '3.20.0',
  'events[0][os_name]': 'darwin',
  'events[0][os_version]': '24.6.0',
  'events[0][node_version]': 'v20.19.1',
  'events[0][app]': 2160,
  'events[0][env]': 'testing',
  'events[0][generate_backup]': undefined,
  'events[0][live_backup_copy]': true,
  'events[0][is_vip]': true
} +783ms