COMP: Fix comparison of different signedness warnings #1222

Job	Run time
cxx-build-workflow / build-test-cxx (ubuntu-22.04)	29m 58s
cxx-build-workflow / build-test-cxx (windows-2022)	31m 48s
python-build-workflow / build-linux-py (9, _2_28-x64)	33m 15s
cxx-build-workflow / build-test-cxx (macos-13)	25m 29s
python-build-workflow / build-linux-py (9, 2014-x64)	30m 56s
cxx-build-workflow / build-test-cxx (macos-15)	16m 23s
python-build-workflow / build-linux-py (9, _2_28-aarch64)	6h 0m 15s
python-build-workflow / build-linux-py (10, _2_28-x64)	30m 47s
python-build-workflow / build-linux-py (10, 2014-x64)	30m 28s
python-build-workflow / build-macos-arm-py (9)	36m 30s
python-build-workflow / build-linux-py (10, _2_28-aarch64)	4h 56m 40s
python-build-workflow / build-macos-arm-py (10)	35m 2s
python-build-workflow / build-linux-py (11, _2_28-x64)	1s
python-build-workflow / build-macos-arm-py (11)	34m 30s
python-build-workflow / build-linux-py (11, 2014-x64)	1s
python-build-workflow / build-linux-py (11, _2_28-aarch64)	1s
python-build-workflow / build-windows-python-packages (9)	43m 57s
python-build-workflow / build-windows-python-packages (10)	46m 17s
python-build-workflow / build-windows-python-packages (11)	41m 57s
python-build-workflow / publish-python-packages-to-pypi	0s
python-build-workflow / test-linux-notebooks	0s
	18h 44m 15s

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