net-im/ruqola: prepare for KDE Frameworks 5.104

Backports of upstream commits

• https://invent.kde.org/network/ruqola/-/commit/a3513afa211e681a3de2c642c8e56d2a10944bd8
• https://invent.kde.org/network/ruqola/-/commit/fc56ae9a55f68051fffa808b1b36e4483098db5c

PR: 270117