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

Provides :
application()
application(syncthingtray.desktop)
metainfo()
metainfo(syncthingtray.appdata.xml)
syncthingtray
syncthingtray(x86-64)

Requires :

/sbin/ldconfig
/sbin/ldconfig
libQt5Core.so.5()(64bit)
libQt5Core.so.5(Qt_5)(64bit)
libQt5Core.so.5(Qt_5.15)(64bit)
libQt5Gui.so.5()(64bit)
libQt5Gui.so.5(Qt_5)(64bit)
libQt5Network.so.5()(64bit)
libQt5Network.so.5(Qt_5)(64bit)
libQt5Widgets.so.5()(64bit)
libQt5Widgets.so.5(Qt_5)(64bit)
libc++utilities.so.5()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgcc_s.so.1(GCC_3.3.1)(64bit)
libqtforkawesome.so.1()(64bit)
libqtutilities.so.6()(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)
libstdc++.so.6(GLIBCXX_3.4.21)(64bit)
libstdc++.so.6(GLIBCXX_3.4.29)(64bit)
libstdc++.so.6(GLIBCXX_3.4.32)(64bit)
libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
libsyncthingconnector.so.13()(64bit)
libsyncthingmodel.so.13()(64bit)
libsyncthingwidgets.so.13()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/bin/syncthingtray
/usr/share/applications/syncthingtray.desktop
/usr/share/bash-completion
/usr/share/bash-completion/completions
/usr/share/bash-completion/completions/syncthingtray
/usr/share/doc/packages/syncthingtray
/usr/share/doc/packages/syncthingtray/README.md
/usr/share/icons/hicolor
/usr/share/icons/hicolor/scalable
/usr/share/icons/hicolor/scalable/apps
/usr/share/icons/hicolor/scalable/apps/syncthingtray.svg
/usr/share/metainfo/syncthingtray.appdata.xml