chore(deps): update traefik docker tag to v3.6.12 (stable-4.0)

[renovate]

This PR contains the following updates:

Package	Update	Change
traefik	patch	v3.6.11 → v3.6.12

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Release Notes

containous/traefik (traefik)

v3.6.12

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Bug fixes:

• [k8s/ingress-nginx] Fix auth-response-headers whitespace trimming in ingress-nginx provider (#​12856 @​mmatur)
• [acme] Bump github.com/go-acme/lego/v4 to v4.33.0 (#​12840 @​ldez)
• [server] Fix comment and unnecessary allocation in withRoutingPath (#​12880 @​boinger)
• [server, tcp] Fix postgres STARTTLS with TLS termination (#​12847 @​mmatur)
• [api] Fix allow colons and tildes in api.basePath validation (#​12857 @​mmatur)
• [grpc] Bump google.golang.org/grpc to v1.79.3 (#​12845 @​mmatur)
• [middleware, authentication] Prevent duplicate user headers in basic and digest auth middleware (#​12851 @​juliens)
• [middleware] Fix StripPrefix and StripPrefixRegex to slice the prefix using encoded prefix length (#​12863 @​gndz07)

Documentation:

• [acme] Clarify CNAME explanation in ACME Documentation (#​12818 @​sheddy-traefik)
• [k8s/ingress-nginx] Add ingress-nginx migration banner on documentation pages (#​12872 @​gndz07)
• [k8s/ingress-nginx] Clarify that NGINX Ingress watchNamespace watches only one namespace (#​12873 @​parkerfath)
• [k8s/ingress] Improve Kubernetes Ingress Routing Documentation (#​12876 @​sheddy-traefik)

v3.6.12

Compare Source

All Commits

Bug fixes:

• [k8s/ingress-nginx] Fix auth-response-headers whitespace trimming in ingress-nginx provider (#​12856 @​mmatur)
• [acme] Bump github.com/go-acme/lego/v4 to v4.33.0 (#​12840 @​ldez)
• [server] Fix comment and unnecessary allocation in withRoutingPath (#​12880 @​boinger)
• [server, tcp] Fix postgres STARTTLS with TLS termination (#​12847 @​mmatur)
• [api] Fix allow colons and tildes in api.basePath validation (#​12857 @​mmatur)
• [grpc] Bump google.golang.org/grpc to v1.79.3 (#​12845 @​mmatur)
• [middleware, authentication] Prevent duplicate user headers in basic and digest auth middleware (#​12851 @​juliens)
• [middleware] Fix StripPrefix and StripPrefixRegex to slice the prefix using encoded prefix length (#​12863 @​gndz07)

Documentation:

• [acme] Clarify CNAME explanation in ACME Documentation (#​12818 @​sheddy-traefik)
• [k8s/ingress-nginx] Add ingress-nginx migration banner on documentation pages (#​12872 @​gndz07)
• [k8s/ingress-nginx] Clarify that NGINX Ingress watchNamespace watches only one namespace (#​12873 @​parkerfath)
• [k8s/ingress] Improve Kubernetes Ingress Routing Documentation (#​12876 @​sheddy-traefik)

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