luajit2: update to v2.1-20260701 - #29949

Checking PR #29949: luajit2: update to v2.1-20260701 (Makefile Audit)

Commit 28f1a1e - luajit2: update to v2.1-20260701:

✅ Makefile does not assign per-package variables at the top level
✅ Makefile contains valid assignment operators and no spaces after ':='
✅ No feed package forces its own inclusion into buildbot default images via DEFAULT+BUILDBOT
✅ Makefile does not reuse PKG_NAME in call, define, or eval lines
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Package Release Audit:

✅ Package lang/lua/luajit2 version updated to '2.1.$(subst -,.,2026-07-01)' and PKG_RELEASE correctly reset to 1