changelog: Add #11613 backport to 3.2, 3.3 and 3.4 changelogs

[jpbetz]

For these backports:

• Automated cherry pick of #11613 to release-3.4 #11622
• Automated cherry pick of #11613 to release-3.3 #11623
• Automated cherry pick of #11613 to release-3.2 #11624

[jpbetz]

cc Wenjia Jingyi Hu Yuchen Zhou Gyuho Lee

[gyuho]

lgtm, thx

[gyuho]

lgtm thx

[jpbetz]

I'll merge this once all the backports are merged.

[codecov-io]

Codecov Report

Merging #11626 into master will increase coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #11626      +/-   ##
==========================================
+ Coverage   66.28%   66.38%   +0.09%     
==========================================
  Files         401      401              
  Lines       36567    36567              
==========================================
+ Hits        24240    24275      +35     
+ Misses      10860    10805      -55     
- Partials     1467     1487      +20

Impacted Files	Coverage Δ
client/client.go	42.81% <0%> (-35.63%)	⬇️
auth/simple_token.go	79.83% <0%> (-9.25%)	⬇️
proxy/grpcproxy/watcher.go	89.79% <0%> (-4.09%)	⬇️
clientv3/concurrency/election.go	79.68% <0%> (-2.35%)	⬇️
pkg/mock/mockserver/mockserver.go	72.72% <0%> (-2.28%)	⬇️
mvcc/watchable_store.go	84.94% <0%> (-1.44%)	⬇️
clientv3/retry_interceptor.go	68.31% <0%> (-1%)	⬇️
etcdserver/cluster_util.go	64.65% <0%> (-0.94%)	⬇️
clientv3/client.go	73.98% <0%> (-0.87%)	⬇️
pkg/netutil/netutil.go	67.21% <0%> (-0.82%)	⬇️
... and 7 more

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