luajit: bump new version

* ci: bump version of actions/checkout
* test: fix typo in the link to the issue
* test: refactor CMake macro LibRealPath
* test: move LibRealPath to the separate module
* test: more cautious usage of LD_PRELOAD for ASan
* test: fix lj-802-panic-at-mcode-protfail GCC+ASan
* ci: execute LuaJIT tests with GCC 10 and ASAN
* cmake: replace prove with CTest
* Prevent down-recursion for side traces.
* Handle stack reallocation in debug.setmetatable() and
  lua_setmetatable().
* profilers: print user-friendly errors

Closes #5994
Closes #9595
Closes #9217
Closes #9656

NO_DOC=LuaJIT submodule bump
NO_TEST=LuaJIT submodule bump