Allow windows compilation using official espressif toolchain (msys2) #507

Job	Run time
build (51, float)	1m 28s
build_win (53, float)	1m 28s
build (53, float)	2m 35s
build (53, 64bit)	1m 11s
luacheck (windows, windows-latest)	9s
build (51, integral)	1m 15s
doc_check	5s
luacheck (linux, ubuntu-22.04)	20s
build_win (53, 64bit)	1m 23s
build_win (51, float)	1m 43s
build_win (51, integral)	2m 3s
NTest_win	0s
NTest (53, 64bit)	10s
NTest (51, float)	4s
NTest (53, float)	8s
NTest (51, integral)	6s
	14m 8s

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