0.12.0

Chore

• add process_account_events.py to Docker image (#1325) (75e5f273)
• pin Rust 1.60.0 (#1326) (fdc97bce)

Bug Fixes

• fix Spanner node query (#1332) (3e81ef14, closes #1331)
• convert DbErrors to TokenserverErrors (#1327) (9bea3280, closes #1316)
• Set default CORS values, including all origins (#1308) (221705b7)
• write to the new version.json location (#1344) (2821b80e, closes #1343)

Features

• fail the health check after SYNC_LBHEARTBEAT_TTL elapses (#1337) (a72912b8, closes #1330)
• support multiple FxA JWKs to ease key rotation (#1339) (eba35662)
• support setting JWK for Tokenserver OAuth verification (#1307) (d62db9f0)

Refactor

• convert actix web middleware to async await (#1338) (f76b5fc6)
• replaced dbg! with trace macro (#1314) (03c059cd)
• add common crates (#1281) (a52900f6, closes #1275)