attestation: redesign V1 as direct CBOR platform/stack schema

Author: kvinwang

Cargo.lock

@@ -12,7 +12,9 @@ license.workspace = true
 [dependencies]
 anyhow.workspace = true
 cc-eventlog.workspace = true
+ciborium.workspace = true
 dcap-qvl.workspace = true
+dstack-attestation-types = { path = "../../../src/attestation-types" }
 dstack-types.workspace = true
 ez-hash.workspace = true
 fs-err.workspace = true