Type improvements in with_container_arithmetic #1920

Job	Run time
Ruff	11s
Examples Conda Py3	1m 26s
Tests for downstream project mirgecom	6s
Tests for downstream project mirgecom_examples	5s
Typos	7s
Pytest Conda Py3 POCL	2m 20s
Pytest Conda Py3 Intel	2m 13s
Tests for downstream project meshmode	11m 30s
basedpyright	1m 52s
Tests for downstream project grudge	10m 26s
Documentation	1m 43s
	31m 59s

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