[processor/resourcedetectionprocessor] add heroku detector

[atoulme]

Description:
Add a new resource detector for Heroku

Link to tracking Issue:
#16833

Testing:
Unit tests

Documentation:
Added to README and test yaml.

[runforesight]

Foresight Summary

    
Major Impacts

build-and-test-windows duration(3 seconds) has decreased 46 minutes 10 seconds compared to main branch avg(46 minutes 13 seconds).

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✅  tracegen workflow has finished in 58 seconds (2 minutes 25 seconds less than main branch avg.) and finished at 6th 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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✅  check-links workflow has finished in 1 minute 32 seconds (1 minute 30 seconds less than main branch avg.) and finished at 6th Jan, 2023.

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✅  build-and-test workflow has finished in 34 minutes 49 seconds (13 minutes 23 seconds less than main branch avg.) and finished at 6th Jan, 2023.

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Job	Failed Steps	Tests
unittest-matrix (1.19, internal)	-     🔗	✅ 618  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, internal)	-     🔗	✅ 618  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, processor)	-     🔗	✅ 1476  ❌ 0  ⏭ 0    🔗	See Details
correctness-metrics	-     🔗	✅ 2  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, processor)	-     🔗	✅ 1476  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, extension)	-     🔗	✅ 528  ❌ 0  ⏭ 0    🔗	See Details
correctness-traces	-     🔗	✅ 17  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, extension)	-     🔗	✅ 528  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-0)	-     🔗	✅ 2564  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-0)	-     🔗	✅ 2564  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, exporter)	-     🔗	✅ 2462  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, exporter)	-     🔗	✅ 2462  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, other)	-     🔗	✅ 4434  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-1)	-     🔗	✅ 1887  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-1)	-     🔗	✅ 1887  ❌ 0  ⏭ 0    🔗	See Details
integration-tests	-     🔗	✅ 55  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, other)	-     🔗	✅ 4434  ❌ 0  ⏭ 0    🔗	See Details
setup-environment	-     🔗	N/A	See Details
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lint-matrix (processor)	-     🔗	N/A	See Details
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lint-matrix (extension)	-     🔗	N/A	See Details
lint-matrix (internal)	-     🔗	N/A	See Details
lint-matrix (other)	-     🔗	N/A	See Details
check-codeowners	-     🔗	N/A	See Details
build-examples	-     🔗	N/A	See Details
checks	-     🔗	N/A	See Details
lint	-     🔗	N/A	See Details
unittest (1.19)	-     🔗	N/A	See Details
unittest (1.18)	-     🔗	N/A	See Details
cross-compile (darwin, amd64)	-     🔗	N/A	See Details
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cross-compile (windows, 386)	-     🔗	N/A	See Details
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build-package (deb)	-     🔗	N/A	See Details
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windows-msi	-     🔗	N/A	See Details
publish-check	-     🔗	N/A	See Details
publish-dev	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details

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✅  prometheus-compliance-tests workflow has finished in 3 minutes 16 seconds (5 minutes 55 seconds less than main branch avg.) and finished at 6th Jan, 2023.

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

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✅  load-tests workflow has finished in 8 minutes 22 seconds (8 minutes 15 seconds less than main branch avg.) and finished at 6th Jan, 2023.

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Job	Failed Steps	Tests
loadtest (TestTraceAttributesProcessor)	-     🔗	✅ 3  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestIdleMode)	-     🔗	✅ 1  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetric10kDPS|TestMetricsFromFile)	-     🔗	✅ 6  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceNoBackend10kSPS|TestTrace1kSPSWithAttrs)	-     🔗	✅ 8  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetricResourceProcessor|TestTrace10kSPS)	-     🔗	✅ 12  ❌ 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

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⭕  build-and-test-windows workflow has finished in 3 seconds (46 minutes 10 seconds less than main branch avg.) and finished at 6th 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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✅  changelog workflow has finished in 2 minutes 5 seconds (6 minutes 33 seconds less than main branch avg.) and finished at 6th Jan, 2023.

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changelog	-     🔗	N/A	See Details

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[github-actions]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[atoulme]

Discussed on SIG meeting 1/4 - there is no need to couple this to the specification effort, it can go in without waiting for the spec to reflect those values.