switch to golang standard library for slices #1255

Job	Run time
cpp-lib-build (macos-15, clang, ON)	1m 47s
cpp-lib-build (macos-15, clang, OFF)	2m 51s
cpp-lib-build (macos-15, gcc, OFF)	2m 57s
cpp-lib-build (macos-15, gcc, ON)	1m 56s
cpp-lib-build (ubuntu-20.04, clang, OFF)	2s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	2s
cpp-lib-build (windows-2022, clang, OFF)	5m 52s
cpp-lib-build (ubuntu-20.04, clang, ON)	1s
cpp-lib-build (ubuntu-20.04, gcc, ON)	1s
cpp-lib-build (windows-2022, clang, ON)	4m 7s
cpp-lib-build (windows-2022, cl)	4m 40s
build (macos-15, cpp)	13m 46s
build (macos-15, tool)	1m 0s
build (macos-15, dart)	6m 3s
build (macos-15, javascript)	1m 29s
build (macos-15, csharp)	3m 41s
build (macos-15, go)	59s
build (macos-15, python3)	1m 25s
build (ubuntu-20.04, csharp)	1s
build (macos-15, typescript)	6m 51s
build (ubuntu-20.04, tool)	1s
build (ubuntu-20.04, java)	2s
build (ubuntu-20.04, cpp)	1s
build (ubuntu-20.04, go)	1s
build (ubuntu-20.04, javascript)	1s
build (macos-15, java)	1m 1s
build (ubuntu-20.04, dart)	1s
build (ubuntu-20.04, typescript)	1s
build (ubuntu-20.04, php)	1s
build (windows-2022, csharp)	7m 29s
build (macos-15, php)	1m 58s
build (ubuntu-20.04, python3)	2s
build (windows-2022, tool)	1m 33s
build (windows-2022, typescript)	19m 5s
build (windows-2022, cpp)	25m 9s
build (windows-2022, java)	2m 3s
build (windows-2022, dart)	4m 26s
build (windows-2022, go)	3m 18s
build (windows-2022, python3)	1m 51s
build (windows-2022, php)	2m 4s
build (windows-2022, javascript)	2m 20s
	2h 11m 59s

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