smoke-test-os: Some tests failing due to deployment timeout

[ericywl]

Summary

Some of the OS smoke tests have been failing due to EC deployment timeout. Example: https://github.com/elastic/apm-server/actions/runs/18516649336/job/52768382149.

module.ec_deployment.ec_deployment.deployment: Still creating... [21m30s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [21m40s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [21m50s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m0s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m10s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m20s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m30s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m40s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [22m50s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [23m0s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [23m10s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [23m20s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [23m30s elapsed]
module.ec_deployment.ec_deployment.deployment: Still creating... [23m40s elapsed]

Investigate and resolve the issue.