Add aws_securityhub.finding source indices to kibana_system role permissions

Author: kcreddy

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/store/KibanaOwnedReservedRoleDescriptors.java

@@ -522,6 +522,7 @@ static RoleDescriptor kibanaSystem(String name) {
                         "logs-google_scc.finding-*",
                         "logs-aws.securityhub_findings-*",
                         "logs-aws.securityhub_findings_full_posture-*",
+                        "logs-aws_securityhub.finding-*",
                         "logs-aws.inspector-*",
                         "logs-aws.config-*",
                         "logs-amazon_security_lake.findings-*",

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStoreTests.java

@@ -1734,6 +1734,7 @@ public void testKibanaSystemRole() {
             "logs-google_scc.finding-" + randomAlphaOfLength(randomIntBetween(0, 13)),
             "logs-aws.securityhub_findings-" + randomAlphaOfLength(randomIntBetween(0, 13)),
             "logs-aws.securityhub_findings_full_posture-" + randomAlphaOfLength(randomIntBetween(0, 13)),
+            "logs-aws_securityhub.finding-" + randomAlphaOfLength(randomIntBetween(0, 13)),
             "logs-aws.inspector-" + randomAlphaOfLength(randomIntBetween(0, 13)),
             "logs-aws.config-" + randomAlphaOfLength(randomIntBetween(0, 13)),
             "logs-amazon_security_lake.findings-" + randomAlphaOfLength(randomIntBetween(0, 13)),