fix: truncate with dots body too long [CM-725]

[ulemons]

changes proposed:

What:

When the body is longer than 2000 chars it gets truncated in a weird way, so tinybird cannot parse the object and they go in quarantine.

example of some rows in quarantine:

... fix: Bug Fixes \ud83d",
... retry checkbox.\n\n\ud83d",
... Built successfully\") | [✅ \ud83d

How:

added a truncateWithDots which beofre sending the body remove the ending chars and add ...