[chore] update test config (#42225)

This updates the test configuration to explicitly set the endpoint to
insecure. This will address a test failure caused by
open-telemetry/opentelemetry-collector#13691

Signed-off-by: alex boten <[email protected]>

Author: codeboten

exporter/datadogexporter/integrationtest/integration_test_internal_metrics_config.yaml

@@ -30,6 +30,7 @@ service:
             exporter:
               otlp:
                 protocol: http/protobuf
+                insecure: true
                 endpoint: ${env:OTLP_HTTP_SERVER}
   pipelines:
     traces:

exporter/datadogexporter/integrationtest/integration_test_logs_config.yaml

@@ -30,6 +30,7 @@ service:
             exporter:
               otlp:
                 protocol: http/protobuf
+                insecure: true
                 endpoint: ${env:OTLP_HTTP_SERVER}
   pipelines:
     logs: