chore(container): update traefik docker tag to v3.4.0 (#35171)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [traefik](https://redirect.github.com/containous/traefik) | final |
minor | `v3.3.6` -> `v3.4.0` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>containous/traefik (traefik)</summary>

###
[`v3.4.0`](https://redirect.github.com/containous/traefik/blob/HEAD/CHANGELOG.md#v340-rc2-2025-04-18)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.4.0...v3.4.0)

[All
Commits](https://redirect.github.com/traefik/traefik/compare/v3.4.0-rc1...v3.4.0-rc2)

**Bug fixes:**

- **\[k8s/crd]** Remove default load-balancing strategy from CRD
([#&#8203;11701](https://redirect.github.com/traefik/traefik/pull/11701)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- **\[k8s/crd]** Restrict regex validation of HTTP status codes for
Ingress CRD resources
([#&#8203;11670](https://redirect.github.com/traefik/traefik/pull/11670)
by [jnoordsij](https://redirect.github.com/jnoordsij))
- Bump github.com/redis/go-redis/v9 to v9.7.3
([#&#8203;11687](https://redirect.github.com/traefik/traefik/pull/11687)
by [kevinpollet](https://redirect.github.com/kevinpollet))

###
[`v3.4.0`](https://redirect.github.com/containous/traefik/blob/HEAD/CHANGELOG.md#v340-rc2-2025-04-18)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.3.7...v3.4.0)

[All
Commits](https://redirect.github.com/traefik/traefik/compare/v3.4.0-rc1...v3.4.0-rc2)

**Bug fixes:**

- **\[k8s/crd]** Remove default load-balancing strategy from CRD
([#&#8203;11701](https://redirect.github.com/traefik/traefik/pull/11701)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- **\[k8s/crd]** Restrict regex validation of HTTP status codes for
Ingress CRD resources
([#&#8203;11670](https://redirect.github.com/traefik/traefik/pull/11670)
by [jnoordsij](https://redirect.github.com/jnoordsij))
- Bump github.com/redis/go-redis/v9 to v9.7.3
([#&#8203;11687](https://redirect.github.com/traefik/traefik/pull/11687)
by [kevinpollet](https://redirect.github.com/kevinpollet))

###
[`v3.3.7`](https://redirect.github.com/traefik/traefik/releases/tag/v3.3.7)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.3.7...v3.3.7)

**Bug fixes:**

- **\[logs,middleware,accesslogs]** Add SpanID and TraceID accessLogs
fields only when tracing is enabled
([#&#8203;11715](https://redirect.github.com/traefik/traefik/pull/11715)
by [rtribotte](https://redirect.github.com/rtribotte))

###
[`v3.3.7`](https://redirect.github.com/traefik/traefik/releases/tag/v3.3.7)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.3.6...v3.3.7)

**Bug fixes:**

- **\[logs,middleware,accesslogs]** Add SpanID and TraceID accessLogs
fields only when tracing is enabled
([#&#8203;11715](https://redirect.github.com/traefik/traefik/pull/11715)
by [rtribotte](https://redirect.github.com/rtribotte))

</details>

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containers/apps/traefik/Dockerfile

@@ -35,7 +35,7 @@ RUN apk add --no-cache --update git
 COPY --chmod=777 ./containers/apps/traefik/clone-plugins.sh /clone-plugins.sh
 RUN /clone-plugins.sh
 
-FROM traefik:v3.3.6@sha256:83f3c843133530e4aa45e6ddc415488583a8a01c88adc5022d415c6e97ceeaae
+FROM traefik:v3.4.0@sha256:4cf907247939b5d20bf4eff73abd21cb413c339600dde76dbc94a874b2578a27
 # Copy the plugins from the previous stage
 COPY --from=plugins /plugins-local /plugins-local