Roll external/effcee/ 2c97e5689..514b52ec6 (14 commits)

google/effcee@2c97e56...514b52e

Created with:
  roll-dep external/effcee

Author: GitHub Actions[bot]

DEPS

@@ -5,7 +5,7 @@ vars = {
 
   'abseil_revision': '768f75440fe009e2b7e0c3e1f247f67970c83975',
 
-  'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',
+  'effcee_revision': '514b52ec61609744d7e587d93a7ef9b60407ab45',
 
   'googletest_revision': '0934b7e112354d609133d2c5f973c402c9efc9b9',