AWS SSI: Better exception handler

[robertomonteromiguel]

Motivation

The exception on aws ssi provision is not printed on the standard output.
Fix the appsec validation syntax error

Changes

Workflow

1. ⚠️ Create your PR as draft ⚠️
2. Work on you PR until the CI passes
3. Mark it as ready for review
   • Test logic is modified? -> Get a review from RFC owner.
   • Framework is modified, or non obvious usage of it -> get a review from R&P team

🚀 Once your PR is reviewed and the CI green, you can merge it!

🛟 #apm-shared-testing 🛟

Reviewer checklist

• Anything but tests/ or manifests/ is modified ? I have the approval from R&P team
• A docker base image is modified?
  • the relevant build-XXX-image label is present
• A scenario is added, removed or renamed?
  • Get a review from R&P team

[github-actions]

CODEOWNERS have been resolved as:

tests/auto_inject/utils.py                                              @DataDog/system-tests-core
utils/_context/_scenarios/auto_injection.py                             @DataDog/system-tests-core
utils/onboarding/debug_vm.py                                            @DataDog/system-tests-core
utils/virtual_machine/aws_infra_exceptions.json                         @DataDog/system-tests-core
utils/virtual_machine/aws_provider.py                                   @DataDog/system-tests-core
utils/virtual_machine/virtual_machines.py                               @DataDog/system-tests-core