Move subtensor lift rewrites to their own module

ccbab653 · Ricardo Vieira · Ricardo Vieira · 5fa5c9ba · ccbab653 · ccbab653
--- a/pytensor/tensor/rewriting/__init__.py
+++ b/pytensor/tensor/rewriting/__init__.py
@@ -15,4 +15,5 @@ import pytensor.tensor.rewriting.ofg
 import pytensor.tensor.rewriting.shape
 import pytensor.tensor.rewriting.special
 import pytensor.tensor.rewriting.subtensor
+import pytensor.tensor.rewriting.subtensor_lift
 import pytensor.tensor.rewriting.uncanonicalize
--- a/pytensor/tensor/rewriting/subtensor.py
+++ b/pytensor/tensor/rewriting/subtensor.py
--- a/pytensor/tensor/rewriting/subtensor_lift.py
+++ b/pytensor/tensor/rewriting/subtensor_lift.py
--- a/tests/tensor/rewriting/test_subtensor.py
+++ b/tests/tensor/rewriting/test_subtensor.py
--- a/tests/tensor/rewriting/test_subtensor_lift.py
+++ b/tests/tensor/rewriting/test_subtensor_lift.py