chore(deps): update fspy digest to cf2a748 #6945

Job	Run time
optimize-ci	6s
detect-changes	5s
Test (namespace-profile-linux-x64-default, x86_64-unknown-linux-gnu)	1m 26s
Test (windows-latest, x86_64-pc-windows-msvc)	4m 7s
download-previous-rolldown-binaries	9s
Test (namespace-profile-mac-default, aarch64-apple-darwin)	1m 3s
Lint	53s
Test (Linux x64 musl)	3m 47s
CLI E2E test (Linux x64 musl)	3m 23s
CLI E2E test (namespace-profile-mac-default, aarch64-apple-darwin)	2m 36s
CLI E2E test (namespace-profile-linux-x64-default, x86_64-unknown-linux-gnu)	3m 14s
CLI E2E test (windows-latest, x86_64-pc-windows-msvc)	6m 59s
Local CLI `vp install` E2E test	0s
done	4s
	27m 52s

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