Bump curve25519-dalek from `05d0dff` to `45307ba`
Bump curve25519-dalek from `05d0dff` to `45307ba`

Bumps [curve25519-dalek](https://github.com/novifinancial/curve25519-dalek) from `05d0dff` to `45307ba`.
- [Release notes](https://github.com/novifinancial/curve25519-dalek/releases)
- [Commits](https://github.com/novifinancial/curve25519-dalek/compare/05d0dff946fe37679c763fe1bac82890a901e841...45307baa4584b12df4ca7dc80e7126016c620a51)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Closes: #4955
Approved by: rexhoffman

libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra