update gen_ai.system attribute key

Author: yiyuan-he

aws-opentelemetry-distro/src/amazon/opentelemetry/distro/patches/_bedrock_patches.py

@@ -41,7 +41,7 @@
 _GUARDRAIL_ID: str = "guardrailId"
 _GUARDRAIL_ARN: str = "guardrailArn"
 _MODEL_ID: str = "modelId"
-_AWS_BEDROCK_SYSTEM: str = "aws_bedrock"
+_AWS_BEDROCK_SYSTEM: str = "aws.bedrock"
 
 _logger = logging.getLogger(__name__)
 # Set logger level to DEBUG

aws-opentelemetry-distro/tests/amazon/opentelemetry/distro/test_instrumentation_patch.py

@@ -28,7 +28,7 @@
 _BEDROCK_DATASOURCE_ID: str = "DataSourceId"
 _BEDROCK_GUARDRAIL_ID: str = "GuardrailId"
 _BEDROCK_KNOWLEDGEBASE_ID: str = "KnowledgeBaseId"
-_GEN_AI_SYSTEM: str = "aws_bedrock"
+_GEN_AI_SYSTEM: str = "aws.bedrock"
 _GEN_AI_REQUEST_MODEL: str = "genAiReuqestModelId"
 _SECRET_ARN: str = "arn:aws:secretsmanager:us-west-2:000000000000:secret:testSecret-ABCDEF"
 _TOPIC_ARN: str = "topicArn"