chore(deps): update traefik docker tag to v2.5.7

This MR contains the following updates:

Package	Type	Update	Change
traefik	Kustomization	patch	v2.5.6 -> v2.5.7

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Release Notes

containous/traefik

v2.5.7

Compare Source

Bug fixes:

• [acme] Update go-acme/lego to v4.6.0 (#​8716 by ldez)
• [logs] Adjust log level from info to debug (#​8718 by tomMoulard)
• [plugins] Fix middleware plugins memory leak (#​8702 by ldez)
• [server] Mitigate memory leak (#​8706 by mpl)
• [webui,middleware] Fix middleware regexp's display (#​8697 by tomMoulard)

Documentation:

• [http] Fix HTTP provider endpoint config example (#​8715 by kevinpollet)
• [k8s] Remove typo in Kubernetes providers labelSelector examples (#​8676 by colinwilson)
• [rules] Improve regexp matcher documentation (#​8686 by Hades32)
• [tracing] Fix broken jaeger documentation link (#​8665 by tomMoulard)
• Update copyright for 2022 (#​8679 by kevinpollet)

v2.5.7

Compare Source

Bug fixes:

• [acme] Update go-acme/lego to v4.6.0 (#​8716 by ldez)
• [logs] Adjust log level from info to debug (#​8718 by tomMoulard)
• [plugins] Fix middleware plugins memory leak (#​8702 by ldez)
• [server] Mitigate memory leak (#​8706 by mpl)
• [webui,middleware] Fix middleware regexp's display (#​8697 by tomMoulard)

Documentation:

• [http] Fix HTTP provider endpoint config example (#​8715 by kevinpollet)
• [k8s] Remove typo in Kubernetes providers labelSelector examples (#​8676 by colinwilson)
• [rules] Improve regexp matcher documentation (#​8686 by Hades32)
• [tracing] Fix broken jaeger documentation link (#​8665 by tomMoulard)
• Update copyright for 2022 (#​8679 by kevinpollet)

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