fix: Fixes #24391 (Problems with celery beat running with docker when the machine is rebooted suddenly)

[alvarolmedo]

fix(celery beat): starts correctly after a reboot

SUMMARY

Removing pidfile before to start the the service is required to start the service correctly. Using docker not remove other (wrong) pidfile.

TESTING INSTRUCTIONS

1. Run apache superset using docker compose:
   docker compose -f docker-compose-non-dev.yml up
2. With containers running, reboot the machine.

ADDITIONAL INFORMATION

Fixes #24391

• Has associated issue: [docker-compose] Problems with Celery beat when the machine is rebooted suddenly #24391
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[github-actions]

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[alvarolmedo]

Thanks @craig-rueda @rusackas @john-bodley. :)