Update index.mdx (#5317)

Author: bene2k1

tutorials/migrate-databases-instance/index.mdx

@@ -58,10 +58,13 @@ This guide consists of two parts, depending on which database Engine your Instan
     ```
     apt update && apt upgrade -y
     ```
-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:
+3. We use `pg_dump` to dump the content of the database to migrate. It is included in the package `postgresql-client-16`. Install it using apt:
     ```
     apt install postgresql-client-16
     ```
+    <Message type="note">
+      Ensure to use the latest version of the `postgresql-client` package when installing it. You can list all available versions of the package using the following command `apt list -a postgresql-client-*`
+    </Message>
 4. Dump the content of the originating database into a local SQL file on the Instance:
     ```
     pg_dump --host=<host> --port=<port> --username=<user> --dbname=<database_name> --file=<filename>.sql