chore(deps): update opentelemetry-python monorepo to v1.39.0

Author: renovate[bot]

tools/pipeline_perf_test/load_generator/requirements.txt

@@ -1,4 +1,4 @@
 Flask==3.1.2
 grpcio==1.76.0
-opentelemetry-proto==1.38.0
+opentelemetry-proto==1.39.0
 pydantic==2.12.5

tools/pipeline_perf_test/orchestrator/requirements.txt

@@ -15,9 +15,9 @@ kubernetes==33.1.0
 # Other dependencies
 duckdb==1.4.2
 jinja2==3.1.6
-opentelemetry-exporter-otlp==1.38.0
-opentelemetry-sdk==1.38.0
-opentelemetry-proto==1.38.0
+opentelemetry-exporter-otlp==1.39.0
+opentelemetry-sdk==1.39.0
+opentelemetry-proto==1.39.0
 prometheus_client==0.23.1
 pandas==2.3.3
 pyarrow==21.0.0