chore: bump pdf-ui version to 0.2.7

[jdyczka]

List of changes

• Change @intersect.mbo/pdf-ui version to 0.2.7

Checklist

• My changes generate no new warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the changelog
• I have added tests that prove my fix is effective or that my feature works