feat: push telemetry (#6027)

* document analytics config

* rework configuration and docs

* describe HandleActiveInstances better

* describe active instances on quotas better

* only projected events are considered

* cleanup

* describe changes at runtime

* push milestones

* stop tracking events

* calculate and push 4 in 6 milestones

* reduce milestone pushed

* remove docs

* fix scheduled pseudo event projection

* push 5 in 6 milestones

* push 6 in 6 milestones

* ignore client ids

* fix text array contains

* push human readable milestone type

* statement unit tests

* improve dev and db performance

* organize imports

* cleanup

* organize imports

* test projection

* check rows.Err()

* test search query

* pass linting

* review

* test 4 milestones

* simplify milestone by instance ids query

* use type NamespacedCondition

* cleanup

* lint

* lint

* dont overwrite original error

* no opt-in in examples

* cleanup

* prerelease

* enable request headers

* make limit configurable

* review fixes

* only requeue special handlers secondly

* include integration tests

* Revert "include integration tests"

This reverts commit 96db9504ec.

* pass reducers

* test handlers

* fix unit test

* feat: increment version

* lint

* remove prerelease

* fix integration tests

internal/integration/config/system-user-key.pem

@@ -0,0 +1,27 @@
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+LLE/Qn/Dg+C7mvjYmuL0GHHpQkYzNDzh0m2DC/L/Il7kdn8I9anPyxFPHk9wW3vY
+SVlAum+T/BLDvuSP9DfbMQKBgCc1j7PG8XYfOB1fj7l/volqPYjrYI/wssAE7Dxo
+bTGIJrm2YhiVgmhkXNfT47IFfAlQ2twgBsjyZDmqqIoUWAVonV+9m29NMYkg3g+l
+bkdRIa74ckWaRgzSK8+7VDfDFjMuFFyXwhP9z460gLsORkaie4Et75Vg3yrhkNvC
+qnpTAoGBAMguDSWBbCewXnHlKGFpm+LH+OIvVKGEhtCSvfZojtNrg/JBeBebSL1n
+mmT1cONO+0O5bz7uVaRd3JdnH2JFevY698zFfhVsjVCrm+fz31i5cxAgC39G2Lfl
+YkTaa1AFLstnf348ZjuvBN3USUYZo3X3mxnS+uluVuRSGwIKsN0a
+-----END RSA PRIVATE KEY-----