Version 1.33.0/0.54b0

[github-actions[bot]]

• Fix intermittent Connection aborted error when using otlp/http exporters (#4477)
• opentelemetry-sdk: use stable code attributes: code.function -> code.function.name, code.lineno -> code.line.number, code.filepath -> code.file.path (#4508)
• Fix serialization of extended attributes for logs signal (#4342)
• Handle OTEL_PROPAGATORS contains None (#4553)
• docs: updated and added to the metrics and log examples (#4559)
• Bump semantic conventions to 1.33.0 (#4567)

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This discussion was created from the release Version 1.33.0/0.54b0.