[exporter/azuremonitor] Export metric attributes to Azure Monitor

[bastbu]

Description:

As of now, no attributes (dimensions) from the metrics timeseries model are exported to Application Insights. This PR ensures that for all metric points, attributes are present as customDimensions in Application Insights.

Link to tracking Issue:

Fixes #19407

Testing:

Automated tests ensure that metric attributes (dimensions) are exported to the properties on the Application Insights contract.

Documentation:

No documentation added.

[runforesight]

Foresight Summary

    
Major Impacts

build-and-test-windows duration(7 seconds) has decreased 31 minutes 12 seconds compared to main branch avg(31 minutes 19 seconds).

View More Details

⭕  build-and-test-windows workflow has finished in 7 seconds (31 minutes 12 seconds less than main branch avg.) and finished at 9th Apr, 2023.

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

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✅  check-links workflow has finished in 51 seconds and finished at 9th Apr, 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 1 minute 1 second and finished at 9th Apr, 2023.

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

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✅  changelog workflow has finished in 2 minutes 2 seconds and finished at 9th Apr, 2023.

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

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✅  e2e-tests workflow has finished in 13 minutes 20 seconds and finished at 9th Apr, 2023.

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Job	Failed Steps	Tests
kubernetes-test (v1.26.0)	-     🔗	N/A	See Details
kubernetes-test (v1.24.7)	-     🔗	N/A	See Details
kubernetes-test (v1.23.13)	-     🔗	N/A	See Details
kubernetes-test (v1.25.3)	-     🔗	N/A	See Details

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✅  prometheus-compliance-tests workflow has finished in 13 minutes 29 seconds (⚠️ 7 minutes 12 seconds more than main branch avg.) and finished at 9th Apr, 2023.

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Job	Failed Steps	Tests
prometheus-compliance-tests	-     🔗	N/A	See Details

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✅  load-tests workflow has finished in 15 minutes 59 seconds (⚠️ 5 minutes 38 seconds more than main branch avg.) and finished at 9th Apr, 2023.

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Job	Failed Steps	Tests
setup-environment	-     🔗	N/A	See Details
loadtest (TestIdleMode)	-     🔗	N/A	See Details
loadtest (TestBallastMemory|TestLog10kDPS)	-     🔗	N/A	See Details
loadtest (TestMetric10kDPS|TestMetricsFromFile)	-     🔗	N/A	See Details
loadtest (TestMetricResourceProcessor|TestTrace10kSPS)	-     🔗	N/A	See Details
loadtest (TestTraceNoBackend10kSPS|TestTrace1kSPSWithAttrs)	-     🔗	N/A	See Details
loadtest (TestTraceBallast1kSPSWithAttrs|TestTraceBallast1kSPSAddAttrs)	-     🔗	N/A	See Details
loadtest (TestTraceAttributesProcessor)	-     🔗	N/A	See Details

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✅  build-and-test workflow has finished in 34 minutes 21 seconds (12 minutes 14 seconds less than main branch avg.) and finished at 9th Apr, 2023.

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Job	Failed Steps	Tests
setup-environment	-     🔗	N/A	See Details
check-codeowners	-     🔗	N/A	See Details
check-collector-module-version	-     🔗	N/A	See Details
checks	-     🔗	N/A	See Details
integration-tests	-     🔗	N/A	See Details
correctness-traces	-     🔗	N/A	See Details
lint-matrix (receiver-0)	-     🔗	N/A	See Details
lint-matrix (receiver-1)	-     🔗	N/A	See Details
lint-matrix (processor)	-     🔗	N/A	See Details
lint-matrix (exporter)	-     🔗	N/A	See Details
lint-matrix (extension)	-     🔗	N/A	See Details
lint-matrix (internal)	-     🔗	N/A	See Details
lint-matrix (connector)	-     🔗	N/A	See Details
lint-matrix (other)	-     🔗	N/A	See Details
unittest-matrix (1.20, receiver-0)	-     🔗	N/A	See Details
unittest-matrix (1.20, receiver-1)	-     🔗	N/A	See Details
unittest-matrix (1.20, processor)	-     🔗	N/A	See Details
unittest-matrix (1.20, exporter)	-     🔗	N/A	See Details
unittest-matrix (1.20, extension)	-     🔗	N/A	See Details
unittest-matrix (1.20, connector)	-     🔗	N/A	See Details
unittest-matrix (1.20, internal)	-     🔗	N/A	See Details
unittest-matrix (1.20, other)	-     🔗	N/A	See Details
unittest-matrix (1.19, receiver-0)	-     🔗	N/A	See Details
unittest-matrix (1.19, receiver-1)	-     🔗	N/A	See Details
unittest-matrix (1.19, processor)	-     🔗	N/A	See Details
unittest-matrix (1.19, exporter)	-     🔗	N/A	See Details
unittest-matrix (1.19, extension)	-     🔗	N/A	See Details
unittest-matrix (1.19, connector)	-     🔗	N/A	See Details
unittest-matrix (1.19, internal)	-     🔗	N/A	See Details
unittest-matrix (1.19, other)	-     🔗	N/A	See Details
build-examples	-     🔗	N/A	See Details
correctness-metrics	-     🔗	N/A	See Details
lint	-     🔗	N/A	See Details
unittest (1.20)	-     🔗	N/A	See Details
unittest (1.19)	-     🔗	N/A	See Details
cross-compile (darwin, amd64)	-     🔗	N/A	See Details
cross-compile (darwin, arm64)	-     🔗	N/A	See Details
cross-compile (linux, 386)	-     🔗	N/A	See Details
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cross-compile (linux, arm64)	-     🔗	N/A	See Details
cross-compile (linux, ppc64le)	-     🔗	N/A	See Details
cross-compile (windows, 386)	-     🔗	N/A	See Details
cross-compile (windows, amd64)	-     🔗	N/A	See Details
build-package (deb)	-     🔗	N/A	See Details
build-package (rpm)	-     🔗	N/A	See Details
windows-msi	-     🔗	N/A	See Details
publish-check	-     🔗	N/A	See Details
publish-dev	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details
rotate-milestone	-     🔗	N/A	See Details

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[atoulme]

LGTM with one suggestion.