chore(container): update traefik docker tag to v3.2.1 (#29636)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [traefik](https://redirect.github.com/containous/traefik) | final |
patch | `v3.2.0` -> `v3.2.1` |
| [traefik](https://redirect.github.com/containous/traefik) | stage |
patch | `v3.2.0` -> `v3.2.1` |

---

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

---

### Release Notes

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

###
[`v3.2.1`](https://redirect.github.com/traefik/traefik/releases/tag/v3.2.1)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.2.1...v3.2.1)

**Important:** Please read the [migration
guide](https://doc.traefik.io/traefik/v3.2/migration/v3/#v321).

**Bug fixes:**

- **\[k8s/ingress,k8s]** Fix HostRegexp config for rule syntax v2
([#&#8203;11288](https://redirect.github.com/traefik/traefik/pull/11288)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- **\[logs]** Change level of peeking first byte error log to DEBUG for
Postgres
([#&#8203;11270](https://redirect.github.com/traefik/traefik/pull/11270)
by [rtribotte](https://redirect.github.com/rtribotte))
- **\[service,fastproxy]** Fix case problem for websocket upgrade
([#&#8203;11246](https://redirect.github.com/traefik/traefik/pull/11246)
by [juliens](https://redirect.github.com/juliens))

**Documentation:**

- **\[acme,tls]** Document how to use Certificates of cert-manager
([#&#8203;11053](https://redirect.github.com/traefik/traefik/pull/11053)
by [mloiseleur](https://redirect.github.com/mloiseleur))
- **\[docker/swarm]** Add tips about the use of docker in dynamic
configuration for swarm provider
([#&#8203;11207](https://redirect.github.com/traefik/traefik/pull/11207)
by [webash](https://redirect.github.com/webash))
- **\[middleware]** Add Compress middleware to migration guide
([#&#8203;11229](https://redirect.github.com/traefik/traefik/pull/11229)
by [logica0419](https://redirect.github.com/logica0419))

**Misc:**

- Merge branch v2.11 into v3.2
([#&#8203;11290](https://redirect.github.com/traefik/traefik/pull/11290)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- Merge branch v2.11 into v3.2
([#&#8203;11287](https://redirect.github.com/traefik/traefik/pull/11287)
by [rtribotte](https://redirect.github.com/rtribotte))
- Merge branch v2.11 into v3.2
([#&#8203;11285](https://redirect.github.com/traefik/traefik/pull/11285)
by [juliens](https://redirect.github.com/juliens))
- Merge branch v2.11 into v3.2
([#&#8203;11268](https://redirect.github.com/traefik/traefik/pull/11268)
by [kevinpollet](https://redirect.github.com/kevinpollet))

###
[`v3.2.1`](https://redirect.github.com/traefik/traefik/releases/tag/v3.2.1)

[Compare
Source](https://redirect.github.com/containous/traefik/compare/v3.2.0...v3.2.1)

**Important:** Please read the [migration
guide](https://doc.traefik.io/traefik/v3.2/migration/v3/#v321).

**Bug fixes:**

- **\[k8s/ingress,k8s]** Fix HostRegexp config for rule syntax v2
([#&#8203;11288](https://redirect.github.com/traefik/traefik/pull/11288)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- **\[logs]** Change level of peeking first byte error log to DEBUG for
Postgres
([#&#8203;11270](https://redirect.github.com/traefik/traefik/pull/11270)
by [rtribotte](https://redirect.github.com/rtribotte))
- **\[service,fastproxy]** Fix case problem for websocket upgrade
([#&#8203;11246](https://redirect.github.com/traefik/traefik/pull/11246)
by [juliens](https://redirect.github.com/juliens))

**Documentation:**

- **\[acme,tls]** Document how to use Certificates of cert-manager
([#&#8203;11053](https://redirect.github.com/traefik/traefik/pull/11053)
by [mloiseleur](https://redirect.github.com/mloiseleur))
- **\[docker/swarm]** Add tips about the use of docker in dynamic
configuration for swarm provider
([#&#8203;11207](https://redirect.github.com/traefik/traefik/pull/11207)
by [webash](https://redirect.github.com/webash))
- **\[middleware]** Add Compress middleware to migration guide
([#&#8203;11229](https://redirect.github.com/traefik/traefik/pull/11229)
by [logica0419](https://redirect.github.com/logica0419))

**Misc:**

- Merge branch v2.11 into v3.2
([#&#8203;11290](https://redirect.github.com/traefik/traefik/pull/11290)
by [kevinpollet](https://redirect.github.com/kevinpollet))
- Merge branch v2.11 into v3.2
([#&#8203;11287](https://redirect.github.com/traefik/traefik/pull/11287)
by [rtribotte](https://redirect.github.com/rtribotte))
- Merge branch v2.11 into v3.2
([#&#8203;11285](https://redirect.github.com/traefik/traefik/pull/11285)
by [juliens](https://redirect.github.com/juliens))
- Merge branch v2.11 into v3.2
([#&#8203;11268](https://redirect.github.com/traefik/traefik/pull/11268)
by [kevinpollet](https://redirect.github.com/kevinpollet))

</details>

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containers/apps/traefik/Dockerfile

@@ -1,4 +1,4 @@
-FROM traefik:v3.2.0@sha256:d12741b971f5c833919db2b680191dc23d5d96ef17e41a914e3c593a8c663ac4
+FROM traefik:v3.2.1@sha256:1a3e33f976d10f45efd613aa64814867068bf51c782599a70ef370447686291b
 # Above line used by CI to find tags etc
 
 FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d as plugins
@@ -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:v3.2.0@sha256:d12741b971f5c833919db2b680191dc23d5d96ef17e41a914e3c593a8c663ac4
+FROM traefik:v3.2.1@sha256:1a3e33f976d10f45efd613aa64814867068bf51c782599a70ef370447686291b
 # Copy the plugins from the previous stage
 COPY --from=plugins /plugins-local /plugins-local