fix(object-storage): correct type for Version

Also, don't list the deprecated value "2012-10-17" as we really don't want
customers to use this value

Author: ahamez

pages/object-storage/api-cli/bucket-policy.mdx

@@ -50,10 +50,10 @@ Bucket policies use a JSON-based access policy language, and are composed of str
 : Yes
 
 **Type**
-: const
+: string
 
-**Possible Value**
-: `"2023-04-17"` or `"2012-10-17"` (deprecated)
+**Value**
+: `"2023-04-17"`
 
 **Sample**:
 
@@ -622,4 +622,4 @@ Bucket policies use a JSON-based access policy language, and are composed of str
 - `DateLessThan`
 - `DateLessThanEquals`
 
-Refer to our [dedicated documentation](/object-storage/api-cli/manage-bucket-permissions-ip/) for more information on managing bucket permissions for IP addresses or ranges of IP.
+Refer to our [dedicated documentation](/object-storage/api-cli/manage-bucket-permissions-ip/) for more information on managing bucket permissions for IP addresses or ranges of IP.