* add new module: aws_stepfunctions_state_machine
* add integration tests for new module: aws_stepfunctions_state_machine
* fix sanity checks
* use files/ folder instead for integration test
* rename role name in integration test
* attempt further permissions
* iam states prefix
* iam integration test prefix
* add iam policy for running step functions state machine actions
* slightly increase iam permission scope
* rename integration test folder to proper name
* move main() method to end of file
* move contents of integration-policy.json for state machines to compute-policy.json
* make check_mode return proper changed value + add check_mode integration tests
* rename module to aws_step_functions_state_machine
* fix missed rename in integration test variable
* add purge_tags option
* bump to version 2.10
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