test(ENG-21524): Fuzzilli Stop-Gap (#24826)

### What does this PR do?

Adds [@mschwarzl's Fuzzilli Support
PR](https://github.com/oven-sh/bun/pull/23862) with the changes
necessary to be able to:

- Run it in CI
- Make no impact on `debug` and `release` mode.

### How did you verify your code works?

---------

Co-authored-by: Martin Schwarzl <mschwarzl@cloudflare.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>

cmake/Options.cmake

@@ -127,6 +127,8 @@ if (NOT ENABLE_ASAN)
   set(ENABLE_ZIG_ASAN OFF)
 endif()
 
+optionx(ENABLE_FUZZILLI BOOL "If fuzzilli support should be enabled" DEFAULT OFF)
+
 if(RELEASE AND LINUX AND CI AND NOT ENABLE_ASSERTIONS AND NOT ENABLE_ASAN)
   set(DEFAULT_LTO ON)
 else()