fix: [go] make staticData variable threadsafe #958

Job	Run time
cpp-lib-build (macos-11, clang, ON)	2m 55s
cpp-lib-build (macos-11, clang, OFF)	3m 14s
build (macos-11, tool)	1m 57s
build (macos-11, cpp)	25m 59s
cpp-lib-build (macos-11, gcc, ON)	1m 25s
cpp-lib-build (macos-11, gcc, OFF)	1m 31s
build (macos-11, csharp)	10m 17s
cpp-lib-build (ubuntu-20.04, clang, ON)	1m 3s
build (macos-11, dart)	5m 20s
cpp-lib-build (ubuntu-20.04, clang, OFF)	1m 11s
build (macos-11, go)	4m 24s
cpp-lib-build (ubuntu-20.04, gcc, ON)	59s
build (macos-11, java)	1m 58s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	1m 9s
build (macos-11, javascript)	2m 35s
cpp-lib-build (windows-2022, clang, ON)	5m 19s
build (macos-11, typescript)	17m 59s
cpp-lib-build (windows-2022, clang, OFF)	6m 26s
build (macos-11, php)	13m 9s
build (macos-11, python3)	2m 11s
cpp-lib-build (windows-2022, cl)	4m 40s
build (ubuntu-20.04, tool)	58s
build (ubuntu-20.04, cpp)	15m 13s
build (ubuntu-20.04, csharp)	5m 12s
build (ubuntu-20.04, dart)	3m 27s
build (ubuntu-20.04, go)	2m 11s
build (ubuntu-20.04, java)	1m 1s
build (ubuntu-20.04, javascript)	1m 24s
build (ubuntu-20.04, typescript)	9m 52s
build (ubuntu-20.04, php)	1m 31s
build (ubuntu-20.04, python3)	1m 4s
build (windows-2022, tool)	1m 43s
build (windows-2022, cpp)	23m 12s
build (windows-2022, csharp)	8m 19s
build (windows-2022, dart)	4m 40s
build (windows-2022, go)	5m 39s
build (windows-2022, java)	2m 14s
build (windows-2022, javascript)	3m 10s
build (windows-2022, typescript)	25m 14s
build (windows-2022, php)	2m 9s
build (windows-2022, python3)	2m 37s
	3h 56m 31s

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