Bump docker/build-push-action from 4 to 6 #3262

Job	Run time
lint / python-lint	6s
lint / clang-format	10s
lint / shell-lint	14s
mac / clang-build (Release)	2m 29s
mac / clang-build (Debug)	2m 8s
ubuntu / gcc-build (ubuntu-24.04, Debug)	1m 53s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 57s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 14s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	2m 48s
ubuntu / clang-build (ubuntu-24.04)	1m 40s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 33s
windows / msvc-build (Release)	7m 53s
windows / msvc-build (Debug)	5m 51s
windows / clang-build	2m 20s
windows / clang-test	2m 1s
mac / clang-test	3m 22s
ubuntu / clang-test (ubuntu-24.04)	5m 10s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	1m 40s
ubuntu / clang-test (ubuntu-24.04-arm)	6m 41s
mac / clang-test-extended	2m 15s
ubuntu / gcc-test (ubuntu-24.04-arm)	6m 11s
ubuntu / gcc-test (ubuntu-24.04)	5m 1s
windows / clang-test-extended	1m 55s
windows / msvc-test	3m 16s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 8s
ubuntu / clang-test-extended (ubuntu-24.04)	3m 11s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 7s
windows / msvc-test-extended	2m 2s
ubuntu / gcc-test-extended (ubuntu-24.04)	2m 57s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 10s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 32s
ubuntu / gcc-build-codecov	5m 8s
perf	0s
pages	0s
	1h 38m 3s

Provide feedback