Use public progenitor fork from github

[arlyon]

Main change is

https://github.com/privy-io/rust-sdk/pull/23/files#diff-2e9d962a08321605940b5a657135052fbcef87b5e360662bb527c96d9a615542R55-R58

See these PRs:

• Add an operationId strategy to reject or ignore missing operations oxidecomputer/progenitor#1194
• Use inferred union variant names in more cases oxidecomputer/typify#894

[semgrep-code-privy-io]

Semgrep found 5 detected-jwt-token findings:

• src/keys.rs
  • L458 - Triage
• examples/wallet_rpc.rs
  • L57 - Triage
• examples/wallet_raw_sign.rs
  • L54 - Triage
• examples/wallet_export.rs
  • L62 - Triage
• examples/update_wallet.rs
  • L57 - Triage

JWT token detected