Async support in Datadog connector

[mdazam1942]

No description provided.

[codecov]

Codecov Report

Patch coverage: 45.45% and project coverage change: -0.03 ⚠️

Comparison is base (6e3306a) 85.19% compared to head (d04d92f) 85.17%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1492      +/-   ##
===========================================
- Coverage    85.19%   85.17%   -0.03%     
===========================================
  Files          679      679              
  Lines        53135    53146      +11     
===========================================
- Hits         45269    45267       -2     
- Misses        7866     7879      +13     

Impacted Files	Coverage Δ
..._modules/datadog/stix_transmission/error_mapper.py	85.00% <ø> (ø)
...er_modules/datadog/stix_transmission/api_client.py	31.70% <25.00%> (-2.17%)	⬇️
...ter_modules/datadog/stix_transmission/connector.py	88.23% <100.00%> (+1.74%)	⬆️
...les/datadog/test/stix_transmission/test_datadog.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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