Specialize `freeze_thaw` for pytato #1754

Job	Run time
Mypy	1m 41s
Documentation	1m 48s
Examples Conda Py3	1m 21s
Tests for downstream project meshmode	11m 49s
Tests for downstream project grudge	9m 55s
Pylint	1m 32s
Pytest Conda Py3 Intel	2m 4s
Tests for downstream project mirgecom	3s
Pytest Conda Py3 POCL	2m 20s
Tests for downstream project mirgecom_examples	3s
Ruff	10s
Typos	3s
	32m 49s

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