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Bug fixes:
- Upgrade to Mockup 5.1.0-alpha.3 and patternslib/dev 3.3.1.
[thet] (283-0)
- Use fixed versions instead of version ranges in package.json.
Since plone.staticresources should contain deterministically reproducible
builds use fixed versions and not version ranges in package.json. For example
use `"plone/mockup": "5.0.11"` instead of `"plone/mockup": "^5.0.11"`. (283-1)
- Update bundles interfaces (from CMFPlone to plone.base)
[gforcada] (286)