Bump docker/build-push-action from 4 to 6 (#511) #3342

Job	Run time
lint / clang-format	16s
lint / shell-lint	15s
lint / python-lint	7s
mac / clang-build (Debug)	2m 5s
windows / msvc-build (Debug)	6m 50s
mac / clang-build (Release)	2m 17s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 55s
windows / clang-build	2m 27s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 21s
ubuntu / clang-build (ubuntu-24.04)	28s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 57s
ubuntu / gcc-build (ubuntu-24.04, Debug)	1m 23s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 55s
windows / msvc-build (Release)	2m 14s
mac / clang-test	3m 22s
mac / clang-test-extended	2m 14s
windows / clang-test	1m 59s
windows / msvc-test	3m 26s
windows / clang-test-extended	1m 59s
windows / msvc-test-extended	1s
ubuntu / gcc-test (ubuntu-24.04)	29s
ubuntu / gcc-test (ubuntu-24.04-arm)	1m 14s
ubuntu / gcc-test-extended	1s
ubuntu / clang-sanitizer-build	1s
ubuntu / clang-test	1s
ubuntu / clang-test-extended	1s
ubuntu / clang-sanitizer-test	1s
ubuntu / clang-sanitizer-test-extended	1s
ubuntu / gcc-build-codecov	1s
pages	0s
perf	0s
	42m 21s

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