Roll external/effcee/ 2c97e5689..ae38e040c (15 commits)

google/effcee@2c97e56...ae38e04

Created with:
  roll-dep external/effcee

Author: GitHub Actions[bot]

DEPS

@@ -5,7 +5,7 @@ vars = {
 
   'abseil_revision': '8a6b6ae902ac1eb7d9d8db810ecabc9c3cf88cf5',
 
-  'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',
+  'effcee_revision': 'ae38e040cbb7e83efa8bfbb4967e5b8c8c89b55a',
 
   'googletest_revision': 'd72f9c8aea6817cdf1ca0ac10887f328de7f3da2',