fcitx data update & fcitx-configtool use qt6

[zhcj]

libime/fcitx-chinese-addons data update & fcitx-configtool use qt6

[github-actions[bot]]

:white_circle: pkgcheck checks passed but with something can be improved!

• pkgcheck 0.10.31
• the corresponding ::gentoo commit: https://github.com/gentoo-mirror/gentoo/commit/19c9588ccd0c26d6a7ff5dc6b1934a31f8dccae5

QA Results:

``` app-i18n/libime VariableOrderWrong: version 9999: variable DESCRIPTION should occur before SRC_URI app-i18n/fcitx-configtool NonexistentDeps: version 9999: DEPEND: nonexistent package: kde-plasma/libplasma:5 NonexistentDeps: version 9999: RDEPEND: nonexistent package: kde-plasma/libplasma:5 app-i18n/fcitx-chinese-addons VariableOrderWrong: version 9999: variable DESCRIPTION should occur before SRC_URI ```

:mag: QA Keywords Explanation

[liangyongxiang]

是什么应用需求，所以必须使用 qt5 吗？ 如果不是，可以参考 main tree 那边来修改（ fcitx-configtool 只用 qt6）