ohos-xts-acts: Pull in newer version

Pull in newer version of xts-acts.
We need https://git.ostc-eu.org/OSTC/OHOS/components/staging/xts_acts/-/commit/1568d75f14b0538ed0de39145b143adbc5946656


for successful builds with clang.

Signed-off-by: Bernhard Rosenkränzer <bernhard.rosenkraenzer.ext@huawei.com>