Roll external/effcee/ 2c97e5689..910ed1572 (20 commits)

google/effcee@2c97e56...910ed15

Created with:
  roll-dep external/effcee

Author: GitHub Actions[bot]

DEPS

@@ -5,7 +5,7 @@ vars = {
 
   'abseil_revision': 'b6c181695973c5b062d2ca8d33f0ecc95425c646',
 
-  'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',
+  'effcee_revision': '910ed15722d5d05c9d71ecf36c1a22243cb79b02',
 
   'googletest_revision': '7140cd416cecd7462a8aae488024abeee55598e4',