Bump classindex from 3.6 to 3.7
Bump classindex from 3.6 to 3.7

Bumps [classindex](https://github.com/atteo/classindex) from 3.6 to 3.7.
- [Release notes](https://github.com/atteo/classindex/releases)
- [Changelog](https://github.com/atteo/classindex/blob/master/CHANGES.md)
- [Commits](https://github.com/atteo/classindex/compare/3.6...3.7)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
tishan89/siddhi,grainier/siddhi,suhothayan/siddhi,mohanvive/siddhi,suhothayan/siddhi,wso2/siddhi,dilini-muthumala/siddhi,wso2/siddhi,grainier/siddhi,mohanvive/siddhi,tishan89/siddhi,dilini-muthumala/siddhi