Bump curve25519-dalek from 4.1.2 to 4.1.3 #7920

Job	Run time
build-apple-x86 (nightly)	5m 10s
build-linux-musl (nightly)	3m 8s
build-apple-x86 (stable)	2m 38s
build-linux-arm (nightly)	15m 47s
build-linux-musl (stable)	2m 50s
build (ubuntu-latest, nightly)	7m 30s
build-apple-x86 (1.70)	2m 9s
build-linux-arm (stable)	15m 47s
build-linux-musl (1.70)	3m 15s
build (ubuntu-latest, stable)	1m 58s
build-linux-arm (1.70)	16m 39s
build (ubuntu-latest, 1.70)	7m 30s
Lints	38s
Changelog Test	4s
build (macos-latest, nightly)	6m 48s
udeps	7m 21s
build (macos-latest, stable)	2m 34s
build (macos-latest, 1.70)	2m 32s
build (windows-latest, nightly)	5m 47s
build (windows-latest, stable)	4m 55s
build (windows-latest, 1.70)	6m 5s
	2h 1m 5s

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