feature: support local simulators for jobs

[ajberdy]

Issue #, if available:

Description of changes:

Support device arg for job creation of the form "local:provider.device.name".

Testing done:

Tox, added unit tests, ran a job and verified AMZN_BRAKET_DEVICE_ARN is as expected

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[codecov]

Codecov Report

Merging #309 (429fc38) into main (be3b639) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #309   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           66        66           
  Lines         4561      4579   +18     
  Branches       635       640    +5     
=========================================
+ Hits          4561      4579   +18     

Impacted Files	Coverage Δ
src/braket/jobs/local/local_job.py	100.00% <ø> (ø)
.../jobs/metrics_data/cwl_insights_metrics_fetcher.py	100.00% <ø> (ø)
src/braket/aws/aws_quantum_job.py	100.00% <100.00%> (ø)
src/braket/jobs/config.py	100.00% <100.00%> (ø)
src/braket/jobs/image_uris.py	100.00% <100.00%> (ø)
src/braket/jobs/metrics_data/log_metrics_parser.py	100.00% <100.00%> (ø)
src/braket/jobs/quantum_job_creation.py	100.00% <100.00%> (ø)

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[ajberdy]

Tested e2e:

def run_job():
    print(os.environ.get("AMZN_BRAKET_DEVICE_ARN"))
    device = LocalSimulator()

    bell = Circuit().h(0).cnot(0, 1)
    num_tasks = 10
    results = []

    for i in range(num_tasks):
        task = device.run(bell, shots=100)
        result = task.result().measurement_counts
        results.append(result)
        print(f"iter {i}: {result}")

    save_job_result({"results": results})


job = AwsQuantumJob.create(
    device="local:provider/simulator",
    source_module="job.py",
    entry_point="job:run_job",
    wait_until_complete=True,
)
print(job.result())