Processing formats uses regular expressions. Very complex formats
can recurse very deeply and thus can cause StackOVerflows depending
on the used stack-size.
In order to handle this a bit more gracefully, we now catch this
and report a better exception with details about the parsed
format and potential mitigation.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66137
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919342 13f79535-47bb-0310-9956-ffa450edef68