update traefik classifier for linux/arm/v6, linux/riscv64

[witchcraze]

This PR updates a binary cataloger for traefik
Fixes #3038

$ go run cmd/syft/main.go -q library/traefik:3.0 --platform linux/arm/v6 | grep traefik
github.com/traefik/grpc-web                                                           v0.16.0                                go-module
github.com/traefik/paerser                                                            v0.2.0                                 go-module
github.com/traefik/traefik/v3                                                         v0.0.0-20240702134203-d42e75bb2eab     go-module
github.com/traefik/yaegi                                                              v0.16.1                                go-module
traefik                                                                               3.0.4                                  binary

$ go run cmd/syft/main.go -q library/traefik:3.0 --platform linux/riscv64 | grep traefik
github.com/traefik/grpc-web                                                           v0.16.0                                go-module
github.com/traefik/paerser                                                            v0.2.0                                 go-module
github.com/traefik/traefik/v3                                                         v0.0.0-20240702134203-d42e75bb2eab     go-module
github.com/traefik/yaegi                                                              v0.16.1                                go-module
traefik                                                                               3.0.4                                  binary

$ go run cmd/syft/main.go -q library/traefik:2.11 --platform linux/arm/v6 | grep traefik
github.com/traefik/paerser                                                            v0.2.0                                       go-module
github.com/traefik/traefik/v2                                                         v0.0.0-20240702122203-927f0bc01a78           go-module
github.com/traefik/yaegi                                                              v0.16.1                                      go-module
traefik                                                                               2.11.6                                       binary

$ go run cmd/syft/main.go -q library/traefik:2.11 --platform linux/riscv64 | grep traefik
github.com/traefik/paerser                                                            v0.2.0                                       go-module
github.com/traefik/traefik/v2                                                         v0.0.0-20240702122203-927f0bc01a78           go-module
github.com/traefik/yaegi                                                              v0.16.1                                      go-module
traefik                                                                               2.11.6                                       binary

[kzantow]

Thanks for the contribution, @witchcraze !