ci: cargo gc all fuzz test runner

[waynexia]

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What's changed and what's your intention?

Follow-up of #4074. There are three fuzz job matrixes in total.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.16%. Comparing base (e0a2c5a) to head (fedf6fd).

❗ Current head fedf6fd differs from pull request most recent head 8d9d7ac

Please upload reports for the commit 8d9d7ac to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4081      +/-   ##
==========================================
- Coverage   85.45%   85.16%   -0.29%     
==========================================
  Files         992      991       -1     
  Lines      173500   173053     -447     
==========================================
- Hits       148262   147385     -877     
- Misses      25238    25668     +430