[cmake] Fix build by forcing lz4 bundled (#4648)

thank you homebrew, very cool.

Signed-off-by: crueter <crueter@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.
- [x] I have read and followed the [website policy](https://git.eden-emu.dev/eden-emu/site-policy).
- [x] I affirm that the content of this pull request body was written and submitted entirely by me, in my own words, and not by an AI agent or LLM.
- [ ] I affirm that I did not read any of this, and understand that my pull request will be closed if I check this box.
- [x] I affirm that, by submitting this pull request, I am responsible for all of the changes contained within these commits.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4648
Reviewed-by: lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -144,6 +144,9 @@ if (YUZU_STATIC_BUILD)
         set(fmt_FORCE_BUNDLED ON)
         set(SPIRV-Headers_FORCE_BUNDLED ON)
         set(zstd_FORCE_BUNDLED ON)
+
+        # broken, idk why
+        set(lz4_FORCE_BUNDLED ON)
     endif()
 endif()