chore(deps): update dependency traefik/traefik to v2.11.20

[renovate]

This PR contains the following updates:

Package	Update	Change
traefik/traefik	patch	2.11.13 -> 2.11.20

---

Release Notes

traefik/traefik (traefik/traefik)

v2.11.20

Compare Source

Bug fixes:

• [acme] Graceful shutdown for ACME JSON write operation (#​11497 by juliens)

Documentation:

• Change docker-compose to docker compose (#​11496 by khai-pi)

v2.11.19

Compare Source

Bug fixes:

• [middleware] Changing log message when client cert is not available to debug (#​11453 by Nelwhix)
• [service] Do not create a logger instance for each proxy (#​11487 by kevinpollet)
• [webui] Fix auto refresh not clearing on component unmount (#​11477 by DoubleREW)

Documentation:

• Remove awesome.traefik.io reference in documentation section (#​11435 by kevinpollet)

v2.11.18

Compare Source

All Commits

Bug fixes:

• [websocket,server] Disable http2 connect setting for websocket by default (#​11412 by rtribotte)

v2.11.17

Compare Source

All Commits

Bug fixes:

• [acme] Update go-acme/lego to v4.21.0 (#​11368 by ldez)
• [middleware] Fix typo in basicauth note (#​11397 by tieje)
• [service] Configure ErrorLog in httputil.ReverseProxy (#​11344 by peacewalker122)
• Bump golang.org/x/net to v0.33.0 (#​11365 by kevinpollet)

Documentation:

• [acme] Fix allowACMEByPass TOML example (#​11370 by hannesbraun)
• [k8s/crd] Update copyright for 2025 (#​11383 by kevinpollet)

v2.11.16

Compare Source

All Commits

Bug fixes:

• [server] Update golang.org/x dependencies (#​11336 by rtribotte)

v2.11.15

Compare Source

All Commits

Bug fixes:

• [acme] Update go-acme/lego to v4.20.4 (#​11295 by ldez)
• [http3] Update github.com/quic-go/quic-go to v0.48.2 (#​11320 by kevinpollet)

v2.11.14

Compare Source

All Commits

Bug fixes:

• [acme] Update go-acme/lego to v4.20.2 (#​11263 by ldez)
• [logs,server] Change level of peeking first byte error log to DEBUG (#​11254 by rtribotte)
• [middleware,server] Drop untrusted X-Forwarded-Prefix header (#​11253 by rtribotte)
• [server] Apply keepalive config to h2c entrypoints (#​11276 by davefu113)
• [service] Fix internal handlers ServiceBuilder composition (#​11281 by juliens)

Documentation:

• [accesslogs] Update access-logs.md, add examples for accesslog.format (#​11275 by bluepuma77)
• Fix the defaultRule CLI examples (#​11282 by kevinpollet)
• Fix spelling, grammar, and rephrase sections for clarity in some documentation pages (#​11280 by AntoineDeveloper)
• Fix absolute link in the migration guide (#​11269 by kevinpollet)
• Add X-Forwarded-Prefix to the migration guide (#​11267 by kevinpollet)
• Fix a small typo in entrypoints documentation (#​11261 by quiode)
• Add a warning about environment variables casing for static configuration (#​11226 by anchal00)
• Improve documentation on dashboard (#​11220 by mloiseleur)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.