openSUSE Leap 15.6: SUSE-SU-2025:0357-1 moderate: etcd security fix

This update for etcd fixes the following issues: Security Update to version

3.5.18:

* Ensure all goroutines created by StartEtcd to exit before closing the errc

* mvcc: restore tombstone index if it's first revision

* Bump go toolchain to 1.22.11

* Avoid deadlock in etcd.Close when stopping during bootstrapping

* etcdutl/etcdutl: use datadir package to build wal/snapdir

* Remove duplicated <-s.ReadyNotify()

* Do not wait for ready notify if the server is stopping

* Fix mixVersion test case: ensure a snapshot to be sent out

* *: support custom content check offline in v2store

* Print warning message for deprecated flags if set

* fix runtime error: comparing uncomparable type

* add tls min/max version to grpc proxy

* Fixing a configuration data loss bug: Fillup really really wants that the

template and the target file actually follow the sysconfig format. The

current config and the current template do not fulfill this requirement.

Move the current...