fix(deps): update rust crate libfuzzer-sys to v0.4.9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
libfuzzer-sys	dependencies	patch	0.4.8 -> 0.4.9

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Release Notes

rust-fuzz/libfuzzer (libfuzzer-sys)

v0.4.9

Compare Source

Released 2025-01-28.

Added

• The example_init demonstrates how to pass an initialization code block to
  the fuzz_target! macro.

Changed

• The fuzz_target! macro now supports the generation of LLVMFuzzerInitialize
  to execute initialization code once before running the fuzzer. This change is
  not breaking and is completely backward compatible.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (57fe123) to head (0318dab).
Report is 2 commits behind head on main.

Additional details and impacted files

@@     Coverage Diff     @@
##   main   #109   +/-   ##
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