build(deps): bump curve25519-dalek from 4.1.1 to 4.1.3

Bumps [curve25519-dalek](https://github.com/dalek-cryptography/curve25519-dalek) from 4.1.1 to 4.1.3.
- [Release notes](https://github.com/dalek-cryptography/curve25519-dalek/releases)
- [Commits](https://github.com/dalek-cryptography/curve25519-dalek/compare/curve25519-4.1.1...curve25519-4.1.3)

---
updated-dependencies:
- dependency-name: curve25519-dalek
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -742,15 +742,14 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "4.1.1"
+version = "4.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
  "cfg-if",
  "cpufeatures",
  "curve25519-dalek-derive",
  "fiat-crypto",
- "platforms",
  "rustc_version",
  "subtle",
  "zeroize",
@@ -1838,12 +1837,6 @@ version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2900ede94e305130c13ddd391e0ab7cbaeb783945ae07a279c268cb05109c6cb"
 
-[[package]]
-name = "platforms"
-version = "3.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "626dec3cac7cc0e1577a2ec3fc496277ec2baa084bebad95bb6fdbfae235f84c"
-
 [[package]]
 name = "plotters"
 version = "0.3.5"