[SCD4J Release Process] Improve Step 5

[fernandorubbo]

From doc

'5'. Run update_scd4j_version.sh 'VERSION_NUMBER' in scd4j-examples di

• Run update_scd4j_version.sh 'VERSION_NUMBER' in scd4j-examples dir

It is super important that the developer avoid imputing VERSION_NUMBER in this script execution. It should, actually, be get from scd4j configuration.

[fernandorubbo]

This should be done along with #24