Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
NetworkManager-vpnc-frontend
plasma-nm-vpnc
plasma-nm5-vpnc
plasma6-nm-vpnc
plasma6-nm-vpnc(x86-64)

Requires :

NetworkManager-vpnc
libKF6ConfigCore.so.6()(64bit)
libKF6CoreAddons.so.6()(64bit)
libKF6I18n.so.6()(64bit)
libKF6KIOWidgets.so.6()(64bit)
libKF6NetworkManagerQt.so.6()(64bit)
libKF6WidgetsAddons.so.6()(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.8)(64bit)
libQt6DBus.so.6()(64bit)
libQt6DBus.so.6(Qt_6)(64bit)
libQt6Gui.so.6()(64bit)
libQt6Gui.so.6(Qt_6)(64bit)
libQt6Network.so.6()(64bit)
libQt6Network.so.6(Qt_6)(64bit)
libQt6Widgets.so.6()(64bit)
libQt6Widgets.so.6(Qt_6)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libglib-2.0.so.0()(64bit)
libnm.so.0()(64bit)
libnm.so.0(libnm_1_0_0)(64bit)
libnm.so.0(libnm_1_2_0)(64bit)
libplasmanm_editor.so()(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
plasma6-nm = 6.3.1
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rpmlib(RichDependencies) <= 4.12.0-1

Content of RPM :
/usr/lib64/qt6/plugins/plasma/network/vpn/plasmanetworkmanagement_vpncui.so