fix: [go] make staticData variable threadsafe #955

Job	Run time
build (macos-11, tool)	1m 46s
cpp-lib-build (macos-11, clang, ON)	5m 3s
build (macos-11, cpp)	26m 51s
cpp-lib-build (macos-11, clang, OFF)	4m 27s
build (macos-11, csharp)	10m 6s
cpp-lib-build (macos-11, gcc, ON)	5m 1s
build (macos-11, dart)	5m 21s
cpp-lib-build (macos-11, gcc, OFF)	7m 19s
build (macos-11, go)	3m 20s
build (macos-11, java)	2m 2s
cpp-lib-build (ubuntu-20.04, clang, ON)	2m 36s
build (macos-11, javascript)	2m 40s
build (macos-11, typescript)	17m 55s
cpp-lib-build (ubuntu-20.04, clang, OFF)	2m 37s
cpp-lib-build (ubuntu-20.04, gcc, ON)	1m 3s
build (macos-11, php)	13m 6s
build (macos-11, python3)	2m 0s
cpp-lib-build (ubuntu-20.04, gcc, OFF)	1m 41s
cpp-lib-build (windows-2022, clang, ON)	4m 59s
build (ubuntu-20.04, tool)	57s
cpp-lib-build (windows-2022, clang, OFF)	5m 32s
build (ubuntu-20.04, cpp)	15m 11s
cpp-lib-build (windows-2022, cl)	4m 58s
build (ubuntu-20.04, csharp)	5m 17s
build (ubuntu-20.04, dart)	3m 42s
build (ubuntu-20.04, go)	1m 40s
build (ubuntu-20.04, java)	1m 9s
build (ubuntu-20.04, javascript)	1m 16s
build (ubuntu-20.04, typescript)	9m 58s
build (ubuntu-20.04, php)	1m 21s
build (ubuntu-20.04, python3)	58s
build (windows-2022, tool)	3m 10s
build (windows-2022, cpp)	22m 27s
build (windows-2022, csharp)	6m 33s
build (windows-2022, dart)	5m 2s
build (windows-2022, go)	5m 6s
build (windows-2022, java)	1m 49s
build (windows-2022, javascript)	2m 19s
build (windows-2022, typescript)	23m 14s
build (windows-2022, php)	2m 13s
build (windows-2022, python3)	1m 55s
	4h 5m 40s

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