Specialize `freeze_thaw` for pytato #1755

Job	Run time
Examples Conda Py3	1m 25s
Tests for downstream project meshmode	11m 56s
Mypy	1m 55s
Documentation	1m 40s
Tests for downstream project grudge	9m 51s
Pylint	1m 35s
Tests for downstream project mirgecom	5s
Tests for downstream project mirgecom_examples	4s
Pytest Conda Py3 Intel	2m 4s
Pytest Conda Py3 POCL	2m 27s
Ruff	7s
Typos	4s
	33m 13s

Provide feedback