fix two deprecation warnings

[subbyte]

Get two warning when testing Kestrel:

tests/test_command_get.py::test_get_single_stixshifter_stix_bundle
tests/test_command_get.py::test_get_single_stixshifter_stix_bundle
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
  /kestrel-dev/lib64/python3.10/site-packages/stix_shifter_utils/stix_transmission/utils/RestApiClient.py:106: DeprecationWarning: Using 'method_whitelist' with Retry is deprecated and will be removed in v2.0. Use 'allowed_methods' instead
    retry_strategy = Retry(total=self.retry_max, backoff_factor=0, status_forcelist=[429, 500, 502, 503, 504],

tests/test_command_get.py::test_get_single_stixshifter_stix_bundle
tests/test_command_get.py::test_get_single_stixshifter_stix_bundle
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
tests/test_command_get.py::test_get_multiple_stixshifter_stix_bundles
  /kestrel-dev/lib64/python3.10/site-packages/stix_shifter_utils/stix_transmission/utils/RestApiClient.py:26: DeprecationWarning: setDaemon() is deprecated, set the daemon attribute instead
    self.setDaemon(True)

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html

[codecov]

Codecov Report

Merging #940 (9b4979d) into develop (0aee031) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #940   +/-   ##
========================================
  Coverage    64.73%   64.73%           
========================================
  Files          517      517           
  Lines        48855    48855           
========================================
  Hits         31627    31627           
  Misses       17228    17228           

Impacted Files	Coverage Δ
...ter_utils/stix_transmission/utils/RestApiClient.py	52.43% <100.00%> (ø)

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