Bump deps/luajit from b925b3e to 8e6520a

Bumps [deps/luajit](https://github.com/LuaJIT/LuaJIT) from `b925b3e` to `8e6520a`.
- [Commits](LuaJIT/LuaJIT@b925b3e...8e6520a)

---
updated-dependencies:
- dependency-name: deps/luajit
  dependency-version: 8e6520a7aecd0517e792b359afbbfd7274791f5f
  dependency-type: direct:production
...

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Author: dependabot[bot]