Update serverless-sql-databases-overview.mdx (scaleway#4247)

Update Serverless SQL Database maximum storage size

Author: fpagny

serverless/sql-databases/reference-content/serverless-sql-databases-overview.mdx

@@ -32,7 +32,7 @@ While your database is in an idle state, you will not be billed for compute reso
 |-----------------|---------|--------------------------------------------------|
 | vCPU            | 0 vCPU  | 15 vCPU                                          |
 | RAM             | 0 GB    | 60 GB (4 GB/vCPU)                                |
-| Storage\*       | 0 GB    | 100 GB (1 TB planned after General Availability) |
+| Storage\*       | 0 GB    | 1 TB                                             |
 | Connections\*\* | 0       | 1000                                             |
 
 \* The maximum storage capacity will increase with upcoming releases.