test: extend leaseRevoke and leaseRenew test to support 5 members cluster

[ahrtr]

Link to #16822

Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.85%. Comparing base (1d0a6b3) to head (247080c).

❗ Current head 247080c differs from pull request most recent head 84533d5

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Additional details and impacted files

see 15 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #18450      +/-   ##
==========================================
- Coverage   68.89%   68.85%   -0.05%     
==========================================
  Files         420      420              
  Lines       35490    35490              
==========================================
- Hits        24451    24435      -16     
- Misses       9612     9627      +15     
- Partials     1427     1428       +1     

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