Firestore: Add backup schedule resource (#8908) (#16186)

* Add Firestore backup schedule resource

* Add empty properties array for field dailyRecurrence

* Update mmv1/products/firestore/BackupSchedule.yaml

* Configure database as parameter instead of property

* Fix daily backup schedule

* Add additional example for weekly backup schedule

* Document possible recurrence values

* Fix ID format

* Fix importing of backup schedules

* Support updating backup schedules

* Fix lint

* Add explicit database field in one example

* Improve resource documentation

* Fix lints
[upstream:106fa0f197200fa01adab4943ffde5353a36ab93]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/8908.txt

@@ -0,0 +1,3 @@
+```release-note:new-resource
+`google_firestore_backup_schedule`
+```

google/provider/provider.go

@@ -997,9 +997,9 @@ func DatasourceMapWithErrors() (map[string]*schema.Resource, error) {
 		})
 }
 
-// Generated resources: 327
+// Generated resources: 328
 // Generated IAM resources: 207
-// Total generated resources: 534
+// Total generated resources: 535
 func ResourceMap() map[string]*schema.Resource {
 	resourceMap, _ := ResourceMapWithErrors()
 	return resourceMap
@@ -1327,6 +1327,7 @@ func ResourceMapWithErrors() (map[string]*schema.Resource, error) {
 			"google_filestore_backup":                                        filestore.ResourceFilestoreBackup(),
 			"google_filestore_instance":                                      filestore.ResourceFilestoreInstance(),
 			"google_filestore_snapshot":                                      filestore.ResourceFilestoreSnapshot(),
+			"google_firestore_backup_schedule":                               firestore.ResourceFirestoreBackupSchedule(),
 			"google_firestore_database":                                      firestore.ResourceFirestoreDatabase(),
 			"google_firestore_document":                                      firestore.ResourceFirestoreDocument(),
 			"google_firestore_field":                                         firestore.ResourceFirestoreField(),