Update quic-go dependency from v0.48.2 to v0.53.0 (#4862)

- Update go.mod to use github.com/quic-go/quic-go v0.53.0
- Replace quic.Connection interface with *quic.Conn struct
- Replace quic.Stream interface with *quic.Stream struct
- Update all affected files to use new API:
  - pkg/util/net/conn.go: Update QuicStreamToNetConn function and wrapQuicStream struct
  - server/service.go: Update HandleQUICListener function parameter
  - client/visitor/xtcp.go: Update QUICTunnelSession struct field
  - client/connector.go: Update defaultConnectorImpl struct field

Fixes #4852

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>