ISSUE-598 # remove maven-compiler warnings with target Java 17

[baulea]

remove maven-compiler warnings with target Java 17

PR Branch pull request

Motivation and Context

#598

Checklist:

• [ ] Unit tests added

• [ ] Integration tests added

• [ ] Test names are meaningful

• [x] Feature manually tested

• [x] Branch build passed

• [x] No 'package.*' in the imports

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

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

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

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

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

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