chore(datadog_metrics sink): support and migrate to the `v2` series API endpoint#18761

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neuronull merged 26 commits intomasterfrom

neuronull/sink_datadog_metrics_v2_series_endpoint_conversion

Oct 12, 2023

Commits on Oct 2, 2023

add scaffolding for the differentiation of series API versions
neuronull
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Commits on Oct 6, 2023

add note in deprecations
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Commits on Oct 10, 2023

Commits on Oct 12, 2023

remove dead code allow
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