Update Tested Up To version to 6.7.2 (#101)

* Use new workflows (#76)

* bump actions/checkout

* add a conditional step to test maybe_asset_only update logic

* also look for readme.md

* bump version in readmes

* Update Tested Up To version to 6.7.1 (#91)

Co-authored-by: github-actions <[email protected]>

* Update Tested Up To version to 6.7.2

---------

Co-authored-by: Chris Reynolds <[email protected]>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions <[email protected]>

Author: 3 people

README.MD

@@ -3,7 +3,7 @@ Contributors: [getpantheon](https://profiles.wordpress.org/getpantheon)
 Donate link: https://example.com/  
 Tags: comments, spam  
 Requires at least: 4.5  
-Tested up to: 6.6.2  
+Tested up to: 6.7.2  
 Requires PHP: 5.6  
 Stable tag: 0.3.10-dev  
 License: GPLv2 or later  

readme.txt

@@ -3,7 +3,7 @@ Contributors: [getpantheon](https://profiles.wordpress.org/getpantheon)
 Donate link: https://example.com/
 Tags: comments, spam
 Requires at least: 4.5
-Tested up to: 6.6.2
+Tested up to: 6.7.2
 Requires PHP: 5.6
 Stable tag: 0.3.10-dev
 License: GPLv2 or later