[Release] Fix opentelemetry deps version conflict (#37098)

`opentelemetry-sdk==1.25.0` depends on `opentelemetry-semantic-conventions==0.46b0`

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Closes #37098

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37098 from XuanWang-Amos:fix_otel_version_issue bd23c38df3
PiperOrigin-RevId: 650688960

requirements.bazel.txt

@@ -33,7 +33,7 @@ opentelemetry-resourcedetector-gcp==1.6.0a0
 opentelemetry-exporter-prometheus==0.46b0
 prometheus_client==0.20.0
 Deprecated==1.2.14
-opentelemetry-semantic-conventions==0.42b0
+opentelemetry-semantic-conventions==0.46b0
 typing-extensions==4.9.0
 pyasn1-modules==0.3.0
 zipp==3.17.0