Update dependency datadog to v0.52.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
datadog	==0.52.1 → ==0.52.2

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Release Notes

DataDog/datadogpy (datadog)

v0.52.2

Compare Source

• [Fixed] Fix dogshell to accept app keys with underscore prefixes. See #​931.
• [Fixed] Push cardinality for sampled metrics. See #​929.
• [Fixed] Compute rate under lock. See #​928.
• [Fixed] Report the right number of dropped bytes. See #​927.
• [Fixed] Pass missing parameter in MaxSampleMetricContexts. See #​916.
• [Fixed] Restore --pretty/--raw support in dogshell. See #​917.
• [Fixed] Fix SLO update via dogshell. See #​889.
• [Changed] Cache constant tags for performance. See #​915.
• [Added] Add typing for api, util, dogstatsd, and dogshell modules. See #​920, #​922, #​921, #​919, #​918.

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