Add access to transpiled_circuits

[kt474]

Summary

On hold for now, can merge after #1285 to add transpiled_circuits method to program_job.py

def transpiled_circuits(self) -> str:
  """Retrieve job transpiled circuits
  
  Returns:
      job transpiled circuits
  """
  return self.session.get(self.get_url("transpiled_circuits")).text

Details and comments

Fixes #898

[coveralls]

Pull Request Test Coverage Report for Build 7280760562

• 3 of 8 (37.5%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.008%) to 43.356%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
qiskit_ibm_runtime/api/clients/runtime.py	1	2	50.0%
qiskit_ibm_runtime/runtime_job.py	2	6	33.33%

Totals
Change from base Build 7278492174:	-0.008%
Covered Lines:	2336
Relevant Lines:	5388

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💛 - Coveralls