CI: Fix typo

.github/actions/check-changes/action.yaml

@@ -46,7 +46,7 @@ runs:
         shopt -s dotglob
 
         # 4b825dc642cb6eb9a060e54bf8d69288fbee4904 is a "hidden" sha1 hash of
-        # the "empty tree", retrived via 'git hash-object -t tree /dev/null',
+        # the "empty tree", retrieved via 'git hash-object -t tree /dev/null',
         # and used here as a last-resort fallback to always provide a valid
         # git ref.