Use better default user_email (#4)

Author: cdce8p

action.yml

@@ -23,7 +23,7 @@ inputs:
   user_email:
     description: >
       User email for backport commit.
-    default: "github-actions[bot]@users.noreply.github.com"
+    default: "41898282+github-actions[bot]@users.noreply.github.com"
   head_template:
     description: >
       Lodash template for the backport PR's head branch.