fix: add back python.getenv that was accidentally deleted in 3e2aad2

Author: Xmader

python/pythonmonkey/require.py

@@ -86,6 +86,7 @@
 # See https://docs.python.org/3.13/whatsnew/3.13.html#defined-mutation-semantics-for-locals
 globalThis.python.eval = lambda x: eval(x, None, sys._getframe(1).f_locals)
 globalThis.python.exec = lambda x: exec(x, None, sys._getframe(1).f_locals)
+globalThis.python.getenv = os.getenv
 globalThis.python.paths = sys.path
 
 globalThis.python.exit = pm.eval("""'use strict';