fix(api): trusted client IP, bounded bodies, limiter pruning, and redacted sync errors - #113

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11d5960a326750d5838078e36cf38b85af677262. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

app/src/lib/launchpad/redact.test.ts: [2001:db8::1]

app/src/lib/http.ts: TRUSTED_PROXY_HOPS

app/src/lib/http.ts: FLY_APP_NAME