[Oracle] Enable HA support for Oracle integration (#36385)

Author: lu-zhengda

pkg/collector/corechecks/oracle/oracle.go

@@ -153,6 +153,11 @@ func checkIntervalExpired(lastRun *time.Time, collectionInterval int64) bool {
 	return false
 }
 
+// IsHASupported returns true if the check supports HA
+func (c *Check) IsHASupported() bool {
+	return true
+}
+
 // Run executes the check.
 func (c *Check) Run() error {
 	var allErrors error

releasenotes/notes/dbm-oracle-ha-agent-support-08b5573d7e052f36.yaml

@@ -0,0 +1,11 @@
+# Each section from every release note are combined when the
+# CHANGELOG.rst is rendered. So the text needs to be worded so that
+# it does not depend on any information only available in another
+# section. This may mean repeating some details, but each section
+# must be readable independently of the other.
+#
+# Each section note must be formatted as reStructuredText.
+---
+enhancements:
+  - |
+    Enable HA support for Oracle integration.