[all] move operator.observability.prometheus feature gate to stable

Author: atoulme

.chloggen/prometheus_operator_feature_gate_stable.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action)
+component: all
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Move feature gate `operator.observability.prometheus` to stable
+
+# One or more tracking issues related to the change
+issues: [3669]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

pkg/featuregate/featuregate.go

@@ -38,9 +38,10 @@ var (
 	// PrometheusOperatorIsAvailable is the feature gate that enables features associated to the Prometheus Operator.
 	PrometheusOperatorIsAvailable = featuregate.GlobalRegistry().MustRegister(
 		"operator.observability.prometheus",
-		featuregate.StageBeta,
+		featuregate.StageStable,
 		featuregate.WithRegisterDescription("enables features associated to the Prometheus Operator"),
 		featuregate.WithRegisterFromVersion("v0.82.0"),
+		featuregate.WithRegisterToVersion("v0.122.0"),
 	)
 	// SetGolangFlags is the feature gate that enables automatically setting GOMEMLIMIT and GOMAXPROCS for the
 	// collector, bridge, and target allocator.