Looking in sles15sp5 and TW, open-vm-tools-salt-minion is available. Somehow open-vm-tools-salt-minion hasn't made it into sles15sp4, sles12.sp5, and Leap 15.4. (See boo#1196803, jsc#SLE-24097, jsc#SLE-24094 SLES15SP4, jsc#SLE-24095 SLES15SP3, and jsc#SLE-24096 SLES12SP5)