Make `File.readable?` and `.writable?` follow symlinks on Windows #11186

Job	Run time
check_format	1m 50s
x86_64-gnu-test-preview_mt	5m 43s
deploy_api_docs	0s
x86_64-gnu-test (1.7.3)	33m 10s
x86_64-musl-test	35m 23s
x86_64-gnu-test (1.8.2)	33m 25s
x86_64-gnu-test (1.9.2)	32m 26s
x86_64-gnu-test (1.10.1)	32m 21s
x86_64-gnu-test (1.11.2)	33m 29s
x86_64-gnu-test (1.12.1)	33m 7s
x86_64-gnu-test (1.0.0, FLAGS=-Dwithout_ffi USE_PCRE1=true)	31m 47s
x86_64-gnu-test (1.1.1, FLAGS=-Dwithout_ffi USE_PCRE1=true)	32m 20s
x86_64-gnu-test (1.2.2, USE_PCRE1=true)	34m 9s
x86_64-gnu-test (1.3.2, USE_PCRE1=true)	33m 57s
x86_64-gnu-test (1.4.1, USE_PCRE1=true)	36m 28s
x86_64-gnu-test (1.5.1, USE_PCRE1=true)	34m 18s
x86_64-gnu-test (1.6.2, USE_PCRE1=true)	32m 36s
	7h 56m 29s

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