Masahiro Sakai 76989db77a
[haskell] fix exampe code in generated README.md (#16142)
* [haskell] fix exampe code in generated README.md

Since create{{title}}Client is not a monadic action, we need to use
"let" instead of "<-".

* regenerate samples
2023-07-21 18:10:11 +08:00
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