Redefine `Process::Status#normal_exit?` on Windows (#15255) #13017

Job	Run time
check_format	1m 36s
x86_64-gnu-test (1.7.3)	33m 48s
x86_64-gnu-test-preview_mt	5m 51s
x86_64-gnu-test (1.8.2)	34m 42s
x86_64-gnu-test (1.9.2)	34m 50s
x86_64-musl-test	35m 17s
x86_64-gnu-test (1.10.1)	36m 38s
x86_64-gnu-test (1.11.2)	36m 28s
x86_64-gnu-test (1.12.2)	36m 7s
x86_64-gnu-test (1.13.3)	33m 13s
x86_64-gnu-test (1.14.0)	35m 20s
x86_64-gnu-test (1.0.0, FLAGS=-Dwithout_ffi USE_PCRE1=true)	31m 55s
x86_64-gnu-test (1.1.1, FLAGS=-Dwithout_ffi USE_PCRE1=true)	36m 25s
x86_64-gnu-test (1.2.2, USE_PCRE1=true)	33m 10s
x86_64-gnu-test (1.3.2, USE_PCRE1=true)	34m 56s
x86_64-gnu-test (1.4.1, USE_PCRE1=true)	35m 20s
x86_64-gnu-test (1.5.1, USE_PCRE1=true)	34m 26s
x86_64-gnu-test (1.6.2, USE_PCRE1=true)	32m 59s
	9h 23m 1s

Provide feedback