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

Provides :
libQt6Grpc.so.6()(64bit)
libQt6Grpc.so.6(Qt_6)(64bit)
libQt6Grpc.so.6(Qt_6.6.3_PRIVATE_API)(64bit)
libQt6Grpc6
libQt6Grpc6(x86-64)

Requires :

/sbin/ldconfig
/sbin/ldconfig
ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.6)(64bit)
libQt6Core.so.6(Qt_6.6.3_PRIVATE_API)(64bit)
libQt6Network.so.6()(64bit)
libQt6Network.so.6(Qt_6)(64bit)
libQt6Protobuf.so.6()(64bit)
libQt6Protobuf.so.6(Qt_6)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.32)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libgpr.so.39()(64bit)
libgrpc++.so.1.62()(64bit)
libgrpc.so.39()(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_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libstdc++.so.6(GLIBCXX_3.4.18)(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)
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/lib64/libQt6Grpc.so.6
/usr/lib64/libQt6Grpc.so.6.6.3
/usr/share/licenses/libQt6Grpc6
/usr/share/licenses/libQt6Grpc6/Apache-2.0.txt
/usr/share/licenses/libQt6Grpc6/BSD-3-Clause.txt
/usr/share/licenses/libQt6Grpc6/GFDL-1.3-no-invariants-only.txt
/usr/share/licenses/libQt6Grpc6/GPL-2.0-only.txt
/usr/share/licenses/libQt6Grpc6/GPL-3.0-only.txt
/usr/share/licenses/libQt6Grpc6/LGPL-3.0-only.txt
/usr/share/licenses/libQt6Grpc6/LicenseRef-Qt-Commercial.txt
/usr/share/licenses/libQt6Grpc6/LicenseRef-protobuf.txt
/usr/share/licenses/libQt6Grpc6/Qt-GPL-exception-1.0.txt