lua5_2: add patch for CVE-2022-28805

Derived from https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa

pkgs/development/interpreters/lua-5/CVE-2022-28805.patch

@@ -0,0 +1,10 @@
+--- a/src/lparser.c
++++ b/src/lparser.c
+@@ -301,6 +301,7 @@
+     expdesc key;
+     singlevaraux(fs, ls->envn, var, 1);  /* get environment variable */
+     lua_assert(var->k == VLOCAL || var->k == VUPVAL);
++    luaK_exp2anyregup(fs, var);  /* but could be a constant */
+     codestring(ls, &key, varname);  /* key is variable name */
+     luaK_indexed(fs, var, &key);  /* env[varname] */
+   }

pkgs/development/interpreters/lua-5/default.nix

@@ -32,7 +32,9 @@ rec {
     sourceVersion = { major = "5"; minor = "2"; patch = "4"; };
     hash = "0jwznq0l8qg9wh5grwg07b5cy3lzngvl5m2nl1ikp6vqssmf9qmr";
     makeWrapper = makeBinaryWrapper;
-    patches = lib.optional stdenv.isDarwin ./5.2.darwin.patch;
+    patches = [
+      ./CVE-2022-28805.patch
+    ] ++ lib.optional stdenv.isDarwin ./5.2.darwin.patch;
   };
 
   lua5_2_compat = lua5_2.override({