RFR: 1707: Bot warns about "No .jcheck/conf found" when it should not [v5]

[Zhao Song]

On Tue, 6 Dec 2022 19:34:40 GMT, Zhao Song <zsong at openjdk.org> wrote:

>> forge/src/main/java/org/openjdk/skara/forge/github/GitHubRepository.java line 276:
>> 
>>> 274:             }
>>> 275:             throw e;
>>> 276:         }
>> 
>> Instead of catching this exception, please use the onError method on the request to register an error handler.
>
> Sorry, I couldn't find a good way to use errorHandler with the current `RestRequest#transformBadResponse`.
> We will not be able to return `Optional.empty()` when the error is 404 Not Found.

Ah, see your comments below. I know how to do it now. Thank you

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PR: https://git.openjdk.org/skara/pull/1435