Unknown/unsupported algorithm OID

**Description**

I see this message in our log files:

```
2025-10-24T09:29:02.687838Z  INFO sigstore::cosign::client_builder: Cannot parse Rekor public key with id cf1199155bddd051268d1f16ac5c0c75c009f6fb5a63f4177f8e18d7051e3fa0:
Pkcs8 spki error : Ecdsa-P256 from der bytes to public key failed: unknown/unsupported algorithm OID: 1.2.840.10045.2.1
```

**Version**

v0.11

