fix: keep crc v3

[fengmk2]

avoid peerDependencies WARNING

https://github.com/koajs/session/pull/218/files#r1060445443

Checklist

• I have ensured my pull request is not behind the main or master branch of the original repository.
• I have rebased all commits where necessary so that reviewing this pull request can be done without having to merge it first.
• I have written a commit message that passes commitlint linting.
• I have ensured that my code changes pass linting tests.
• I have ensured that my code changes pass unit tests.
• I have described my pull request and the reasons for code changes along with context if necessary.

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (bc3dd3f) compared to base (75f5706).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #223   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           11        11           
=========================================
  Hits            11        11           

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[fengmk2]

6.3.1