build: Silence deprecation warnings about non standard extensions on … #314

Job	Run time
check_libraries_manifest	7s
check_code_style	25s
check_genwebsitejson	7s
build_linux (Release, ubuntu-20.04)	59m 48s
build_linux (RelWithDebInfo, ubuntu-20.04)	52m 55s
build_windows (Release, 64, windows-2019)	1h 21m 10s
build_linux (Debug, ubuntu-20.04)	1h 0m 25s
build_macos (Release, x86_64, macos-14)	37m 31s
build_windows (Release, arm64, windows-2019)	54m 32s
check_source_code (ubuntu-20.04)	7m 55s
build_macos (Release, arm64, macos-14)	39m 3s
build_macos (Debug, x86_64, macos-14)	38m 24s
build_macos (Debug, arm64, macos-14)	56m 39s
test_macos_monterey	0s
build_universal_macos_artifacts	0s
mergeable	0s
	8h 9m 1s

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