Build

Use less modern C++ so that it compiles in Firefox #735

Job	Run time
check_format	16s
build-android (Release, arm64-v8a)	58s
build (ubuntu-20.04, Release)	2m 49s
build-android (Release, armeabi-v7a)	55s
build-android (Release, x86_64)	1m 19s
build (ubuntu-20.04, Debug)	3m 38s
build-android (Debug, arm64-v8a)	54s
build (windows-2019, Release)	8m 21s
build-android (Debug, armeabi-v7a)	50s
build (windows-2019, Debug)	7m 52s
build-android (Debug, x86_64)	43s
build (macos-13, Release)	3m 23s
build (macos-13, Debug)	4m 1s
build (macos-14, Release)	3m 18s
build (macos-14, Debug)	4m 7s
	43m 24s

Provide feedback