Bump docker/build-push-action from 4 to 5 #1305

Job	Run time
CI tests via Tox (3, 8, lint)	28s
CI tests via Tox (3, 8, bandit)	23s
CI tests via Tox (3, 8, unit)	3m 53s
CI tests via Tox (3, 8, mypy)	3m 23s
CI tests via Tox (3, 8, memleak)	1m 38s
CI tests via Tox (3, 9, lint)	40s
CI tests via Tox (3, 9, bandit)	23s
CI tests via Tox (3, 9, unit)	3m 33s
CI tests via Tox (3, 9, mypy)	4m 22s
CI tests via Tox (3, 9, memleak)	1m 26s
CI tests via Tox (3, 10, lint)	23s
CI tests via Tox (3, 10, bandit)	28s
CI tests via Tox (3, 10, unit)	3m 41s
CI tests via Tox (3, 10, mypy)	3m 18s
CI tests via Tox (3, 10, memleak)	1m 36s
CI tests via Tox (3, 11, lint)	21s
CI tests via Tox (3, 11, bandit)	23s
CI tests via Tox (3, 11, unit)	3m 55s
CI tests via Tox (3, 11, mypy)	3m 59s
CI tests via Tox (3, 11, memleak)	1m 23s
CI tests via Tox (3, 12, lint)	30s
CI tests via Tox (3, 12, bandit)	35s
CI tests via Tox (3, 12, unit)	6m 39s
CI tests via Tox (3, 12, mypy)	1m 6s
CI linters via Tox (lintreadme)	1m 5s
CI linters via Tox (pydocstyle)	21s
build_test_container	4m 32s
Schema Salad release test	10m 30s
	1h 4m 54s

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