[2.4.0] Checkmk Werk 16619 adapted: Ruleset API: Ruleset validation

Werk 16619 was adapted. The following is the new Werk, a diff is shown at the end of the message. [//]: # (werk v2) # Ruleset API: Ruleset validation key | value ---------- | --- date | 2024-03-11T12:46:16+00:00 version | 2.4.0b1 class | fix edition | cre component | checks level | 1 compatible | no Rulespec/ruleset names now have to be valid [python identifiers](https://docs.python.org/3/reference/lexical_analysis.html#iden… that are not [reserved keywords](https://docs.python.org/3/reference/lexical_analysis.html#keyword…. This also applies to choice identifiers in FormSpecs. The validation occurs during instantiation and will raise a `ValueError` when a violation is found. ------------------------------------<diff>------------------------------------------- [//]: # (werk v2) # Ruleset API: Ruleset validation key | value ---------- | --- date | 2024-03-11T12:46:16+00:00 version | 2.4.0b1 class | fix edition | cre component | checks level | 1 compatible | no - Rulespec/ruleset names now have to be valid [python identifiers](https://docs.python.org/3/reference/lexical_analysis.html#iden…. + Rulespec/ruleset names now have to be valid [python identifiers](https://docs.python.org/3/reference/lexical_analysis.html#iden… that are not [reserved keywords](https://docs.python.org/3/reference/lexical_analysis.html#keyword…. This also applies to choice identifiers in FormSpecs. + The validation occurs during instantiation and will raise a `ValueError` when a violation is found.