http_forwarder: specify beta stability and add codeowner

[rmfitzpatrick]

Description:
These changes update the advertised status to beta and add myself as a codeowner.

Documentation:
Readme was already updated in d485b8f.

[runforesight]

Foresight Summary

    
Major Impacts

build-and-test duration(1 minute 46 seconds) has decreased 50 minutes 47 seconds compared to main branch avg(52 minutes 33 seconds).

View More Details

⭕  build-and-test-windows workflow has finished in 5 seconds (40 minutes 25 seconds less than main branch avg.) and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
windows-unittest-matrix	-     🔗	N/A	See Details
windows-unittest	-     🔗	N/A	See Details

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✅  check-links workflow has finished in 1 minute 56 seconds and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
changed files	-     🔗	N/A	See Details
check-links	-     🔗	N/A	See Details

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✅  telemetrygen workflow has finished in 2 minutes 2 seconds and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
build-dev	-     🔗	N/A	See Details
publish-latest	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details

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✅  changelog workflow has finished in 2 minutes 41 seconds and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
changelog	-     🔗	N/A	See Details

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✅  prometheus-compliance-tests workflow has finished in 3 minutes 44 seconds (3 minutes 48 seconds less than main branch avg.) and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
prometheus-compliance-tests	-     🔗	✅ 21  ❌ 0  ⏭ 0    🔗	See Details

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 build-and-test workflow has finished in 11 minutes 8 seconds (41 minutes 28 seconds less than main branch avg.) and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
unittest-matrix (1.18, internal)	N/A	✅ 561  ❌ 0  ⏭ 0    🔗	See Details
correctness-traces	N/A	✅ 17  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, extension)	N/A	✅ 546  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, internal)	N/A	✅ 561  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, processor)	N/A	✅ 1471  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, processor)	N/A	✅ 1471  ❌ 0  ⏭ 0    🔗	See Details
correctness-metrics	N/A	✅ 2  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, extension)	N/A	✅ 546  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-0)	N/A	✅ 2573  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-0)	N/A	✅ 2573  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, exporter)	N/A	✅ 2414  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, exporter)	N/A	✅ 2414  ❌ 0  ⏭ 0    🔗	See Details
integration-tests	N/A	✅ 55  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, other)	N/A	✅ 4652  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-1)	N/A	✅ 1944  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-1)	N/A	✅ 1944  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, other)	N/A	✅ 4652  ❌ 0  ⏭ 0    🔗	See Details

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✅  load-tests workflow has finished in 16 minutes 12 seconds and finished at 30th Jan, 2023.

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Job	Failed Steps	Tests
loadtest (TestIdleMode)	-     🔗	✅ 1  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceAttributesProcessor)	-     🔗	✅ 3  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetric10kDPS|TestMetricsFromFile)	-     🔗	✅ 6  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceNoBackend10kSPS|TestTrace1kSPSWithAttrs)	-     🔗	✅ 8  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceBallast1kSPSWithAttrs|TestTraceBallast1kSPSAddAttrs)	-     🔗	✅ 10  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestBallastMemory|TestLog10kDPS)	-     🔗	✅ 19  ❌ 0  ⏭ 0    🔗	See Details
setup-environment	-     🔗	N/A	See Details
loadtest (TestMetricResourceProcessor|TestTrace10kSPS)	-     🔗	✅ 12  ❌ 0  ⏭ 0    🔗	See Details

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