luajit: bump new version

* Fix narrowing of unary minus.
* Don't compile math.modf() anymore.
* OSX/ARM64: Fix external unwinding.
* Fix build with busybox grep.
* BSD: Fix build with BSD grep.
* OSX/ARM64: Disable unwind info.
* ARM64: Reorder interpreter stack frame and fix unwinding.
* OSX/ARM64: Disable external unwinding for now.
* OSX: Fix build by hardcoding external frame unwinding.
* Cleanup and enable external unwinding for more platforms.
* test: remove TAP side effects in getmetrics tests
* test: relax JIT setup in misc.getmetrics test
* test: relax JIT setup in lj-430-maxirconst test
* GC64: enable sysprof support

Closes #6096
Closes #6976
Closes #7919
Relates to #781
Relates to #7762
Part of #7230

NO_DOC=LuaJIT submodule bump
NO_TEST=LuaJIT submodule bump