Trigger GitHub Actions for testing

Adds a dummy comment to force GitHub Actions to run CI on the updated branch.

Author: lsrafael13

test-data/unit/check-assign-to-class.test

@@ -20,3 +20,5 @@ class E:
     x = 1
     def baz(self):
         self.x = 2  # OK
+
+# Trigger GitHub Actions for testing