Python: Add from workers import env for top level env (#5682)

Author: hoodmane

src/pyodide/internal/workers-api/src/workers/__init__.py

@@ -43,9 +43,17 @@
     "Response",
     "WorkerEntrypoint",
     "WorkflowEntrypoint",
+    "env",
     "fetch",
     "handler",
     "import_from_javascript",
     "python_from_rpc",
     "python_to_rpc",
 ]
+
+
+def __getattr__(key):
+    if key == "env":
+        cloudflare_workers = import_from_javascript("cloudflare:workers")
+        return cloudflare_workers.env
+    raise AttributeError(f"module {__name__!r} has no attribute {key!r}")