Update dependency puppet/extlib to v7 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
puppet/extlib	major	6.2.0 -> 7.0.0

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Release Notes

voxpupuli/puppet-extlib (puppet/extlib)

### [`v7.0.0`](https://togithub.com/voxpupuli/puppet-extlib/blob/HEAD/CHANGELOG.md#v700-2023-08-19) [Compare Source](https://togithub.com/voxpupuli/puppet-extlib/compare/v6.2.0...v7.0.0) [Full Changelog](https://togithub.com/voxpupuli/puppet-extlib/compare/v6.2.0...v7.0.0) **Breaking changes:** - Drop Puppet 6 support [#​210](https://togithub.com/voxpupuli/puppet-extlib/pull/210) ([bastelfreak](https://togithub.com/bastelfreak)) **Implemented enhancements:** - Add Puppet 8 support [#​213](https://togithub.com/voxpupuli/puppet-extlib/pull/213) ([bastelfreak](https://togithub.com/bastelfreak)) - Allow puppetlabs-stdlib 9.x [#​212](https://togithub.com/voxpupuli/puppet-extlib/pull/212) ([smortex](https://togithub.com/smortex))

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