jp2: use new APIs for jasper 3

using new APIs prevents the runtime deprecated warning.
also note the memory limit is now set to 500MB

Task-number: QTBUG-104398
Pick-to: 6.4 6.3 6.2 5.15
Change-Id: I1b307ec33c6a540a5fb9121214d89a73a509a0d3
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit 4011d03f84d19bdfa6e30b6b7a6792f90b30a259)

• Follow-up to parent commit, see https://bugreports.qt.io/browse/QTBUG-104398
• Do we care about the #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) in this patch?