Update versions of libraries in poetry.

PATCH bump source-datadog version to 1.0.3
Build source-datadog docker image for platform(s) linux/amd64, linux/arm64
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Create or update pull request on Airbyte repository
Add changelog entry

Author: airbyteio

airbyte-integrations/connectors/source-datadog/metadata.yaml

@@ -23,7 +23,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 1cfc30c7-82db-43f4-9fd7-ac1b42312cda
-  dockerImageTag: 1.0.2
+  dockerImageTag: 1.0.3
   dockerRepository: airbyte/source-datadog
   githubIssueLabel: source-datadog
   icon: datadog.svg