phpcs updates in PostTypeColumnSupport.php

[jeffpaul]

Description of the Change

Small line indentation changes to pass PHPCS linting.

Alternate Designs

n/a

Benefits

improved code readability?

Possible Drawbacks

none identified

Verification Process

Submitted PR, see linting GitHub Actions passed.

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests passed.

Applicable Issues

n/a

Changelog Entry

n/a