[skip ci] Skip resource intensive tidy test on GA

Author: iluuu1994

ext/tidy/tests/parsing_file_too_large.phpt

@@ -7,6 +7,7 @@ tidy
 if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
 if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
 if (getenv("SKIP_ASAN")) die("skip too big for asan");
+if (getenv("GITHUB_ACTIONS")) die("skip potentially crashes on GitHub actions");
 ?>
 --CONFLICTS--
 all