Update dependency traefik/traefik to v2.10.4

This MR contains the following updates:

Package	Type	Update	Change
traefik/traefik	ironbank-github	patch	v2.10.3 -> v2.10.4
traefik/traefik		patch	v2.10.3 -> v2.10.4

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Release Notes

traefik/traefik

v2.10.4

Compare Source

Bug fixes:

• [acme] Update go-acme/lego to v4.13.2 (#​10036 by ldez)
• [acme] Update go-acme/lego to v4.13.0 (#​10029 by ldez)
• [k8s/ingress,k8s] fix: avoid panic on resource backends (#​10023 by ldez)
• [middleware,tracing,plugins] fix: traceability of the middleware plugins (#​10028 by ldez)

Documentation:

• Update maintainers guidelines (#​9981 by geraldcroes)
• Update release documentation (#​9975 by rtribotte)

Misc:

• [webui] Updates the Hub tooltip content using a web component and adds an option to disable Hub button (#​10008 by mdeliatf)

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