Upgrade dependencies; bump version to v0.9.0-pre (#665)

Note: this is not a release, but bumping the version to reflect breaking
changes that have not yet been released.

The following dependencies have been upgraded to new stable releases:
- `cipher` v0.5
- `der` v0.8
- `sha1` v0.11
- `sha2` v0.11
- `rand(_core)` v0.10

The following dependencies are prereleases which have been upgraded from
older prerelease versions:
- `aes` v0.9.0-rc.4
- `curve25519-dalek` 5.0.0-pre.6
- `des` v0.9.0-rc.3
- `ecdsa` v0.17.0-rc.16
- `ed25519-dalek` v3.0.0-pre.6
- `elliptic-curve` v0.14.0-rc.29
- `p256` v0.14.0-rc.8
- `p384` v0.14.0-rc.8
- `pbkdf2` v0.13.0-rc.10
- `rsa` v0.10.0-rc.17
- `signature` v3.0.0-rc.10
- `x25519-dalek` v3.0.0-pre.6

src/piv.rs

@@ -53,7 +53,7 @@ use crate::{
     yubikey::YubiKey,
     Buffer, ObjectId,
 };
-use elliptic_curve::{sec1::EncodedPoint as EcPublicKey, PublicKey};
+use elliptic_curve::{sec1::Sec1Point as EcPublicKey, PublicKey};
 use log::{debug, error, warn};
 use p256::NistP256;
 use p384::NistP384;