Update eosio-s2wasm to generate new style call_indirect

This move of the submodule gives us an eosio-s2wasm that generates "new" call_indirect syntax. While cleos will accept either old or new call_indirect syntax, it's easier to interoperate with external tools by using the new syntax.

binaryen @ 579f3a09

-Subproject commit 7ba0b53193be81548c0ccb3bb4ee64c13a2b9c86
+Subproject commit 579f3a099c286a45f58ea1ffc7bf671c415be0a6