Verify `component_discarded_events_total` and `component_errors_total` for all sources/sinks

[jszwedko]

For each component:

• [ ] Verify internal event processing metrics are tested via assert_X_compliance test helpers
• [ ] Update component_discarded_events_total to match the new instrumentation spec by adding reason to the emitted logs, and intentional to emitted logs and metrics
• [ ] Verify that the component correctly emits the correct error events per the component spec

Copy this checklist when creating the issue for each component.

After the audit:

• [ ] Document component_errors_total for all components

Sources:

@spencergilbert

• [x] #14193
• [x] #14194
• [x] #14195
• [x] #14196
• [x] #14197
• [x] #14198
• [x] #14199
• [x] #14200
• [ ] #14003

@neuronull

• [x] #14051
• [x] #14053
• [x] #14055
• [x] #14056
• [x] #14129
• [x] #14130
• [x] #14134
• [x] #14149
• [x] #14148

@StephenWakely

• [x] #14347
• [x] #14374
• [x] #14377
• [ ] #14411
• [x] #14450
• [ ] #14451
• [x] #14493
• [x] #14494
• [x] #14495

@prognant

• [ ] #14500
• [ ] #14509
• [ ] #14508
• [ ] #14507
• [ ] #14506
• [ ] #14505
• [ ] #14504
• [ ] #14503
• [ ] #14502
• [ ] #14501

Sinks:

@spencergilbert

• [x] #14201
• [x] #14202
• [x] #14203
• [x] #14204
• [ ] #14205
• [x] #14206
• [x] #14207
• [x] #14208
• [x] #14019
• [x] #14209
• [x] #14210
• [x] #14152

@StephenWakely

• [ ] #14496
• [ ] Verify azure_monitor_logs sink
• [ ] Verify blackhole sink
• [ ] Verify chronicle_unstructured sink
• [ ] Verify clickhouse sink
• [ ] Verify console sink
• [ ] Verify elasticsearch sink
• [ ] Verify axiom sink
• [ ] Verify gcp_cloud_storage sink
• [ ] Verify gcp_pubsub sink
• [ ] Verify gcp_stackdriver_logs sink
• [ ] Verify gcp_stackdriver_metrics sink

@neuronull

• [x] #14172
• [x] #14232
• [x] #14173
• [x] #14262
• [x] #14298
• [x] #14226
• [x] #14301
• [x] #14303
• [x] #14310
• [x] #14311
• [x] #14317
• [x] #14318
• [x] #14092
• [x] #14141
• [x] #14142
• [x] #14169
• [ ] #14211
• [x] #14214

@prognant

• [x] #14059
• [x] #14077
• [x] #14096
• [ ] #14212
• [ ] #14213
• [ ] #14215
• [ ] #14216