Describe your changes

We create a mergify configuration throuhg projen file, but one of the properties was declared wrong.

Checklist for the author of the Pull-Request

• My code follows the style guideline
• The commit message follows our guideline: (TODO: Add a link to the article)
• I have performed a self-review of my own code
• I added a unit and feature or request test for the new functionality
• Tested the changes in this pull-request myself
• I have made corresponding changes to the documentation
• I updated the README.md

Checklist for the reviewers

• The code follows the style guidelines
• All the linters are passed
• All tests are passed
• The implementation corresponds to the use case which described in the task
• All the new features have documentation and an additional information for the README.md was provided
• There is no redundant or commented code
• The code is readable and understandable.

ISSUES CLOSED: 5