build(deps): update anyhow cargo-vet exemption to 1.0.103

Carry the `safe-to-deploy` exemption forward to the bumped version so
`cargo vet check` passes; otherwise 1.0.103 is unaudited.

Claude-Session: https://claude.ai/code/session_01VUPwpe81Ws8c5MeXWWgZb7

Author: upbqdn

supply-chain/config.toml

@@ -113,7 +113,7 @@ version = "3.0.11"
 criteria = "safe-to-deploy"
 
 [[exemptions.anyhow]]
-version = "1.0.102"
+version = "1.0.103"
 criteria = "safe-to-deploy"
 
 [[exemptions.arc-swap]]