Wrong GPG key for OFED SLES packages

Dear NVIDIA support,
the GPG Key is not useable for installing the OFED driver on SLES, please check:

zypper up doca-ofed
Loading repository data…
Reading installed packages…
Resolving package dependencies…

The following 29 packages are going to be upgraded:
doca-ofed ibacm ibarr ibdump ibsim ibutils2 infiniband-diags libibumad libibverbs libibverbs-utils librdmacm librdmacm-utils mft mlnx-ethtool mlnx-iproute2 mlnx-ofa_kernel mlnx-ofa_kernel-source
mlnx-tools ofed-scripts opensm opensm-devel opensm-libs opensm-static perftest python3-pyverbs rdma-core rdma-core-devel rshim srp_daemon

The following 7 packages are going to change vendor:
doca-ofed → SUSE LLC https://www.suse.com/
mft Mellanox Technologies Ltd. → NVIDIA
opensm → SUSE LLC https://www.suse.com/
opensm-devel → SUSE LLC “same link as above”
opensm-libs → SUSE LLC “same link as above”
opensm-static → SUSE LLC “same link as above”
rshim → SUSE LLC “same link as above”

The following 17 NEW packages are going to be installed:
dkms doca-sosreport iser-dkms isert-dkms kernel-mft-dkms libxpmem libxpmem-devel mft-mlx5 mft-nvredfish mlnx-ofa_kernel-dkms python3-boto3 python3-botocore python3-jmespath python3-s3transfer
python3-simplejson xpmem xpmem-dkms

The following 5 packages are going to be REMOVED:
iser-kmp-default isert-kmp-default kernel-mft-mlnx-kmp-default mlnx-ofa_kernel-devel mlnx-ofa_kernel-kmp-default

The following 41 packages have no support information from their vendor:
dkms doca-ofed doca-sosreport ibacm ibarr ibdump ibsim ibutils2 infiniband-diags iser-dkms isert-dkms kernel-mft-dkms libibumad libibverbs libibverbs-utils librdmacm librdmacm-utils libxpmem
libxpmem-devel mft mft-mlx5 mft-nvredfish mlnx-ethtool mlnx-iproute2 mlnx-ofa_kernel mlnx-ofa_kernel-dkms mlnx-ofa_kernel-source mlnx-tools ofed-scripts opensm opensm-devel opensm-libs
opensm-static perftest python3-pyverbs rdma-core rdma-core-devel rshim srp_daemon xpmem xpmem-dkms

29 packages to upgrade, 17 new, 5 to remove, 7 to change vendor.

Package download size: 175.5 MiB

Package install size change:
| 704.1 MiB required by packages that will be installed
108.1 MiB | - 596.1 MiB released by packages that will be removed

Backend: classic_rpmtrans
Continue? [y/n/v/…? shows all options] (y):
Retrieving: mft-4.35.0-159.ppc64le (sap-hana-sles15.6-development-ofed) (1/46), 59.8 MiB
Retrieving: mft-4.35.0-159.ppc64le.rpm …[done (59.4 MiB/s)]
mft-4.35.0-159.ppc64le.rpm:
Header V4 RSA/SHA512 Signature, key ID dc726c5e41b9cc50: NOKEY

warning: /var/tmp/AP_0xnZpKpo/getPackage/1/95e386ffed33b67181cf32b27139002376b4d3d9c894dd61b9b4231ac079421d/mft-4.35.0-159.ppc64le.rpm: Header V4 RSA/SHA512 Signature, key ID 41b9cc50: NOKEY
Looking for gpg keys in repository sap-hana-sles15.6-development-ofed.
gpgkey=https://rb3i0098.server.bosch.com/pub/GPG-KEY-Mellanox.pub
Retrieving: GPG-KEY-Mellanox.pub …[done]
mft-4.35.0-159.ppc64le (sap-hana-sles15.6-development-ofed): Signature verification failed [4-Signatures public key is not available]
Abort, retry, ignore? [a/r/i] (a):
Problem occurred during or after installation or removal of packages:
Installation has been aborted as directed.
Please see the above error message for a hint.