fix: changes version of peer dependency stylelint so plugin can be in…

[raohmaru]

Description

Since @netcentric/stylelint-config is a plugin, peer dependencies should be less strict. Current semver for stylelint allows only to be installed in projects with stylelint version 14.5.3 <14.6.0.

Related Issue

Fixes #6.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] I have read the CONTRIBUTING document.
• [x] All new and existing tests passed.