Run core tests in Safari. Partially addresses https://github.com/pyodide/pyodide/issues/989

It runs, but there are several test failures, I'll open separate issues about those.
0000000000000000000000000000000000000000 f1498a2747d5dc968dad2d872181d9cad2d80a48 jupyter <jupyter@data-collection2-susnato.c.rishabh-experiments.internal> 1705136699 +0000	clone: from https://github.com/pyodide/pyodide.git

0000000000000000000000000000000000000000 f1498a2747d5dc968dad2d872181d9cad2d80a48 jupyter <jupyter@data-collection2-susnato.c.rishabh-experiments.internal> 1705136699 +0000	clone: from https://github.com/pyodide/pyodide.git
