Replace deprecated jax.linear_util.wrap_init with jax.extend.linear_u…

…til.wrap_init.

PiperOrigin-RevId: 562017973

haiku/_src/dot.py

@@ -134,7 +134,7 @@ def to_graph(fun):
   @functools.wraps(fun)
   def wrapped_fun(*args):
     """See `fun`."""
-    f = jax.linear_util.wrap_init(fun)
+    f = jax.extend.linear_util.wrap_init(fun)
     args_flat, in_tree = jax.tree_util.tree_flatten((args, {}))
     flat_fun, out_tree = jax.api_util.flatten_fun(f, in_tree)
     graph = Graph.create(title=name_or_str(fun))
@@ -202,7 +202,7 @@ def process_primitive(self, primitive, tracers, params):
     if primitive is pjit.pjit_p:
       f = jax.core.jaxpr_as_fun(params['jaxpr'])
       f.__name__ = params['name']
-      fun = jax.linear_util.wrap_init(f)
+      fun = jax.extend.linear_util.wrap_init(f)
       return self.process_call(primitive, fun, tracers, params)
 
     inputs = [t.val for t in tracers]