fix(dbaas): specify postgresql client version (#5316)

Author: bene2k1

tutorials/migrate-databases-instance/index.mdx

@@ -60,7 +60,7 @@ This guide consists of two parts, depending on which database Engine your Instan
     ```
 3. We use `pg_dump` to dump the content of the database to migrate. It is included in the package `postgresql-client-common`. Install it using apt:
     ```
-    apt install postgresql-client-common
+    apt install postgresql-client-16
     ```
 4. Dump the content of the originating database into a local SQL file on the Instance:
     ```
@@ -184,4 +184,4 @@ Once you have created both, the destination database and its users, import your
 
 ## Conclusion
 
-You now have exported your existing PostgreSQL or MySQL database and imported it into a Scaleway Managed Datatabase Instance. To finish the migration process of your database, update the credentials and server information in the configuration files of your existing application. Once this information is updated, your application will use your database on Instances managed by Scaleway. For more information about the Database product, refer to the [product information page](https://www.scaleway.com/en/database/) and the [product documentation](/managed-databases-for-postgresql-and-mysql/quickstart/).
+You now have exported your existing PostgreSQL or MySQL database and imported it into a Scaleway Managed Datatabase Instance. To finish the migration process of your database, update the credentials and server information in the configuration files of your existing application. Once this information is updated, your application will use your database on Instances managed by Scaleway. For more information about the Database product, refer to the [product information page](https://www.scaleway.com/en/database/) and the [product documentation](/managed-databases-for-postgresql-and-mysql/quickstart/).