support: etcd 361

[loomts]

resolve #1707

• support 3.6.1
• cleaup the code
• inject bash into all lifecycleaction and backup images
• etcd hscale only support change one replica at a time

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 610 lines in your changes missing coverage. Please review.

Project coverage is 0.00%. Comparing base (4a23656) to head (7104957).

Files with missing lines	Patch %	Lines
addons/etcd/scripts-ut-spec/common_spec.sh	0.00%	116 Missing ⚠️
addons/etcd/scripts-ut-spec/switchover_spec.sh	0.00%	98 Missing ⚠️
addons/etcd/scripts-ut-spec/start_spec.sh	0.00%	76 Missing ⚠️
addons/etcd/scripts-ut-spec/member_leave_spec.sh	0.00%	73 Missing ⚠️
addons/etcd/scripts-ut-spec/roleprobe_spec.sh	0.00%	59 Missing ⚠️
addons/etcd/scripts-ut-spec/inject_bash_spec.sh	0.00%	58 Missing ⚠️
addons/etcd/scripts-ut-spec/member_join_spec.sh	0.00%	57 Missing ⚠️
addons/etcd/scripts-ut-spec/data-load_spec.sh	0.00%	46 Missing ⚠️
addons/etcd/scripts-ut-spec/data-dump_spec.sh	0.00%	25 Missing ⚠️
...scripts-ut-spec/redis_cluster_server_start_spec.sh	0.00%	2 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #1709    +/-   ##
======================================
  Coverage   0.00%   0.00%            
======================================
  Files         68      71     +3     
  Lines       6769    7040   +271     
======================================
- Misses      6769    7040   +271     

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[apecloud-bot]

/cherry-pick release-1.0

[apecloud-bot]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kubeblocks-addons/actions/runs/15844123015