docs: fix require-form-method docs

[yeonjuan]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.32%. Comparing base (2ba96e9) to head (fea7b3f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #255   +/-   ##
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  Coverage   98.32%   98.32%           
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  Files          62       62           
  Lines        1729     1729           
  Branches      469      469           
=======================================
  Hits         1700     1700           
  Misses         29       29           

Flag	Coverage Δ
unittest	98.32% <ø> (ø)

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Files with missing lines	Coverage Δ
...ges/eslint-plugin/lib/rules/require-form-method.js	100.00% <ø> (ø)