docs: correct maintenance_window recurrence weekday mapping

The recurrence schema description claimed "0-6 for Monday to Sunday"
(0 = Monday), but the cloud console scheduler maps the integer directly
via dayjs `.day()` (0 = Sunday ... 6 = Saturday), matching Go's
time.Weekday convention. The provider only round-trips recurrence as an
opaque string, so this is a doc-only correction.

Fixes the discrepancy reported in eng-support-tickets#4644 (Sympower):
Terraform/CRD docs said 0=Monday while the console renders/executes
0=Sunday. Updates both the resource and data-source descriptions and
regenerates docs/resources/pulsar_cluster.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: freeznet

cloud/data_source_pulsar_cluster.go

@@ -316,7 +316,7 @@ func dataSourcePulsarCluster() *schema.Resource {
 						"recurrence": {
 							Type:        schema.TypeString,
 							Computed:    true,
-							Description: "Recurrence pattern for maintenance (0-6 for Monday to Sunday)",
+							Description: "Recurrence pattern for maintenance: comma-separated weekday integers where 0 = Sunday and 6 = Saturday (e.g. \"0,6\" means Sunday and Saturday)",
 						},
 					},
 				},

cloud/resource_pulsar_cluster.go

@@ -410,7 +410,7 @@ func resourcePulsarCluster() *schema.Resource {
 						"recurrence": {
 							Type:        schema.TypeString,
 							Optional:    true,
-							Description: "Recurrence pattern for maintenance (0-6 for Monday to Sunday)",
+							Description: "Recurrence pattern for maintenance: comma-separated weekday integers where 0 = Sunday and 6 = Saturday (e.g. \"0,6\" means Sunday and Saturday)",
 						},
 					},
 				},

docs/resources/pulsar_cluster.md

@@ -104,7 +104,7 @@ Optional:
 
 Optional:
 
-- `recurrence` (String) Recurrence pattern for maintenance (0-6 for Monday to Sunday)
+- `recurrence` (String) Recurrence pattern for maintenance: comma-separated weekday integers where 0 = Sunday and 6 = Saturday (e.g. "0,6" means Sunday and Saturday)
 - `window` (Block List) Maintenance execution window (see [below for nested schema](#nestedblock--maintenance_window--window))
 
 <a id="nestedblock--maintenance_window--window"></a>