Use `syn-teams.libsonnet` for alert routing discovery and alert patching #580

Job	Run time
editorconfig	8s
linting (lint_jsonnet)	7s
golden (capacity-alerts)	34s
linting (lint_yaml)	5s
test (capacity-alerts)	32s
golden (remote-write)	37s
linting (lint_adoc)	8s
test (remote-write)	35s
golden (user-workload-monitoring)	31s
test (user-workload-monitoring)	34s
golden (capacity-alerts-with-node-labels)	31s
test (capacity-alerts-with-node-labels)	31s
golden (vsphere)	34s
test (vsphere)	30s
golden (custom-rules)	35s
test (custom-rules)	34s
golden (team-routing)	38s
test (team-routing)	30s
golden (release-4.14)	38s
golden (ovn-kubernetes)	34s
test (release-4.14)	36s
golden (release-4.15)	33s
golden (release-4.16)	35s
test (ovn-kubernetes)	31s
test (release-4.15)	39s
test (release-4.16)	35s
	12m 55s

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