selective backup supported on sharded collection starts from PBM 2.1.0 (

#152)

* selective backup supported on sharded collection starts from PBM 2.1.0

* Update docs/features/backup-types.md

---------

Co-authored-by: Anastasia Alexandrova <[email protected]>

docs/features/backup-types.md

@@ -11,7 +11,7 @@ The following table provides an overview of each type
 | ---------------| -------- | ------------ | ----------------------| ------------------ | ---------------------------------------|
 | [Logical](logical.md)| GA      | 1.0.0         | Sharded clusters and non-sharded replica sets | Yes | Yes | 
 | [Physical](physical.md) | GA      | 2.0.0         | Sharded clusters and non-sharded replica sets | Yes (starting with 4.2.15-16, 4.4.6-8 and higher, 5.0.x, 6.0.x) | No | 
-| [Selective](selective-backup.md) | [Tech preview](../reference/glossary.md#technical-preview-feature)| 2.0.0         | Sharded clusters (starting with version 2.0.3) and non-sharded replica sets. Sharded collections are not yet supported. | Yes | Yes | 
+| [Selective](selective-backup.md) | [Tech preview](../reference/glossary.md#technical-preview-feature)| 2.0.0         | Sharded clusters (starting with version 2.0.3) and non-sharded replica sets. Sharded collections are supported starting with version 2.1.0. | Yes | Yes | 
 | [Incremental](incremental-backup.md) | GA | 2.1.0 (Supported for PSMDB versions 4.2.24-24, 4.4.18-18, 5.0.2-1, 6.0.2-1 and higher) | Sharded clusters and non-sharded replica sets | Yes  | No |  
 | [Point-in-time recovery](point-in-time-recovery.md) | GA | 1.3.0 (logical), 2.0.0 (physical manually), 2.2.0 (physical automated)  | Sharded clusters and non-sharded replica sets | Yes | Yes |
 | [Snapshot-based](snapshots.md) | [Tech preview](../reference/glossary.md#technical-preview-feature) | 2.2.0 | Sharded clusters and non-sharded replica sets | Yes | No |