tai64

der: fixup windows `write_secret_file` helper (#1372) #62

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 3s
test (1.65.0)	1m 16s
build (1.65.0, wasm32-unknown-unknown)	1m 6s
test (stable)	21s
build (stable, thumbv7em-none-eabi)	24s
build (stable, wasm32-unknown-unknown)	17s
minimal-versions / minimal-versions	30s
	4m 57s

Provide feedback