Update python-opentelemetry-exporter-otlp-proto-http to version 1.29.0 / rev 6 via SR 1235919
    
    https://build.opensuse.org/request/show/1235919
    by user rjschwei + anag+factory
    - Update to 1.29.0
      * Fix crash exporting a log record with None body
      * Fix metrics export with exemplar and no context and filtering observable instruments
      * Fix recursion error with sdk disabled and handler added to root logger
      * sdk: setup EventLogger when OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED is set
      * api: fix logging of duplicate EventLogger setup warning
      * sdk: fix setting of process owner in ProcessResourceDetector
      * sdk: fix serialization of logs severity_number field to int
      * Remove `TestBase.assertEqualSpanInstrumentationInfo` method,
        use `assertEqualSpanInstrumentationScope` instead
      * sdk: instantiate lazily `ExemplarBucket`s in `ExemplarReservoir`s
      * semantic-conventions: Bump to 1.29.0
    - from version 1.28.0
      * Removed superfluous py.typed mark