Snippets for plasma-activities 6.8.0 from Alpine aarch64

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-aarch64/community/plasma-activities/plasma-activities-6.8.0-r0.log.

• /home/buildozer/aports/community/plasma-activities/src/plasma-activities-6.8.0/src/lib/manager_p.cpp:92:103: warning: unused parameter 'newOwner' [-Wunused-parameter]
     92 | void Manager::serviceOwnerChanged(const QString &serviceName, const QString &oldOwner, const QString &newOwner)
        |                                                                                        ~~~~~~~~~~~~~~~^~~~~~~~