Fix condition for AUTO_DEVOPS_PLATFORM_TARGET

What does this MR do and why?

One of the templates used in deploying applications to AWS using GitLab CI/CD uses the AWS/CF-Provision-and-Deploy-EC2.gitlab-ci.yml which also relies on Jobs/CF-Provision.gitlab-ci.yml. The current rule for the AUTO_DEVOPS_PLATFORM_TARGET suggests that the job will never run because of the OR condition.

  rules:
    - if: '($AUTO_DEVOPS_PLATFORM_TARGET != "EC2") || ($AUTO_DEVOPS_PLATFORM_TARGET != "ECS")'
      when: never

From the context of the job, this should be performed if the AUTO_DEVOPS_PLATFORM_TARGET is either EC2 or ECS so the rule should be something like this instead.

  rules:
    - if: '($AUTO_DEVOPS_PLATFORM_TARGET != "EC2") && ($AUTO_DEVOPS_PLATFORM_TARGET != "ECS")'
      when: never

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