Regenerate client from commit 29fa400 of spec repo (#3413)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v2/openapi.yaml

@@ -46626,7 +46626,7 @@ components:
             $ref: "#/components/schemas/ObservabilityPipelineParseGrokProcessorRuleMatchRule"
           type: array
         source:
-          description: The name of the field in the log event to apply the Grok rules to.
+          description: The value of the source field in log events to be processed by the Grok rules.
           example: "message"
           type: string
         support_rules:

src/datadog_api_client/v2/model/observability_pipeline_parse_grok_processor_rule.py

@@ -59,7 +59,7 @@ def __init__(
             Each rule must contain a name and a valid Grok pattern.
         :type match_rules: [ObservabilityPipelineParseGrokProcessorRuleMatchRule]
 
-        :param source: The name of the field in the log event to apply the Grok rules to.
+        :param source: The value of the source field in log events to be processed by the Grok rules.
         :type source: str
 
         :param support_rules: A list of Grok helper rules that can be referenced by the parsing rules.