Upgrade to org.apache.velocity:velocity-engine-core:2.3

[baulea]

Upgrade to org.apache.velocity:velocity-engine-core:2.3

Fixes Issue

• Which issue or ticket was(will be) fixed in this PR? partially fixes Upgrade the libraries and make it compatible with Java8 #607

PR Branch
https://github.com/baulea/zerocode/tree/upgrade_velocity-engine-core

Motivation and Context

• upgrade multiple maven dependencies for later Java17 compatibility, Issue Upgrade the libraries and make it compatible with Java8 #607
• resolve vulnerability CVE-2020-13936 in org.apache.velocity:velocity:1.7

Checklist:

• Unit tests added

• Integration tests added

• Test names are meaningful

• Feature manually tested

• Branch build passed

• No 'package.*' in the imports

• Relevant Wiki page updated with clear instruction for the end user

  • Not applicable. This was only a refactor change, no functional or behaviour changes were introduced

• Http test added to http-testing module(if applicable) ?

  • Not applicable. The changes did not affect HTTP automation flow

• Kafka test added to kafka-testing module(if applicable) ?

  • Not applicable. The changes did not affect Kafka automation flow

[a1shadows]

LGTM