luatex-1.17.0 update

[Karl Berry]

> I have to commit changes to mtxrun.lua and context.lua to run with

Actually only mtxrun.lua (per Max). Just now done, in r67020. -k

--- trunk/Master/texmf-dist/scripts/context/lua/mtxrun.lua	2023-05-04 20:30:12 UTC (rev 67019)
+++ trunk/Master/texmf-dist/scripts/context/lua/mtxrun.lua	2023-05-04 21:45:19 UTC (rev 67020)
@@ -25857,7 +25857,7 @@
  end
  return concat(flags," ")
 end
-local template=[[--ini %primaryflags% --lua=%luafile% %texfile% %secondaryflags% %redirect%]]
+local template=[[--ini %primaryflags% --socket --shell-escape --lua=%luafile% %texfile% %secondaryflags% %redirect%]]
 local checkers={
  primaryflags="verbose",
  secondaryflags="verbose",
@@ -25992,7 +25992,7 @@
  report_format()
  lfs.chdir(startupdir)
 end
-local template=[[%primaryflags% --fmt=%fmtfile% --lua=%luafile% %texfile% %secondaryflags%]]
+local template=[[%primaryflags% --socket --shell-escape --fmt=%fmtfile% --lua=%luafile% %texfile% %secondaryflags%]]
 local checkers={
  primaryflags="verbose",
  secondaryflags="verbose",