feat(attributes): Add AWS instrumentation attributes to semantic conventions

[pabloDeputter]

AWS Step Functions

• aws.step_functions.execution.arn
  • definition: The ARN of the AWS Step Functions Execution.
  • example: arn:aws:states:us-east-1:123456789012:execution:myStateMachine:myExecution
  • already in OTel

Branch - pablo/add-aws-instrumentation-attributes

[linear-code]

PY-2789