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-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.85%. Comparing base (1d0a6b3) to head (247080c).
⚠️ Report is 1964 commits behind head on main.

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

Please upload reports for the commit 84533d5 to get more accurate results.

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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