help request: plugin opentelemetry not start .

### Description

plugin_attr:
prometheus:
export_addr:
ip: 0.0.0.0
port: 9091
export_uri: /apisix/prometheus/metrics
metric_prefix: apisix_
opentelemetry:
resource:
service.name: APISIX
collector:
address: 10.43.69.74:4318
request_timeout: 3
request_headers:
Authorization: token
batch_span_processor:
drop_on_queue_full: false
max_queue_size: 1024
batch_timeout: 2
inactive_timeout: 1
max_export_batch_size: 16
set_ngx_var: false

### Environment

- APISIX version (run `apisix version`): 3.18.0
- Operating system (run `uname -a`): Rocky Linux 9.x

Reproduce the startup problem with the supplied plugin_attr configuration on APISIX 3.18.0 and inspect the APISIX startup output for the OpenTelemetry plugin error. Confirm the collector address, authorization header, and plugin initialization behavior; done means the plugin starts successfully and telemetry is exported.

Written by the indexing model from the issue text.