fix: rspack compatibility more.

[alexander-akait]

Summary

ref - #2292 (comment)

What kind of change does this PR introduce?

fix

Did you add tests for your changes?

Existing

Does this PR introduce a breaking change?

No

If relevant, what needs to be documented once your changes are merged or what have you already documented?

Nothing

Use of AI

No

[changeset-bot]

🦋 Changeset detected

Latest commit: 8b9804b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
webpack-dev-middleware	Patch

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.52%. Comparing base (566aa9e) to head (8b9804b).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2295      +/-   ##
==========================================
+ Coverage   93.50%   93.52%   +0.02%     
==========================================
  Files           3        3              
  Lines         954      958       +4     
  Branches      297      301       +4     
==========================================
+ Hits          892      896       +4     
  Misses         57       57              
  Partials        5        5              

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