Enforce use of the defined error contract in connectors

We need to enforce connectors developers to use the defined contract in TCOMP-1696 in their connectors.
For that, we will add a new Validation on thrown exceptions in connectors codebases (se, ee, cc).

As first sight, we will have two parameters in the validation mojo smtg like

• validateExceptions (will print a WARNING if the contract is not respected)
• failOnValidateExceptions (fail verify phase if on)