v1.4.1

Maintenance release: dependency bumps including Caddy 2.11.3, smallstep/certificates 0.30.2, OpenTelemetry 1.43.0, gRPC 1.81.1, quic-go 0.59.1, and go-jose v4.1.4. No functional changes — upgrade for the latest security and stability fixes from upstream.

🧹 Maintenance

• Bump dependencies by @dunglas in #172
• Better preflight checks in release.sh by @dunglas in #177
• Bump google.golang.org/grpc to 1.79.3 in /caddy by @dependabot in #167
• Bump github.com/smallstep/certificates to 0.30.0 in /caddy by @dependabot in #168
• Bump github.com/go-jose/go-jose/v3 to 3.0.5 in /caddy by @dependabot in #169

Full Changelog: v1.4.0...v1.4.1