chore(container): update alpine:3.20.3 docker digest to 1e42bbe (#29840)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| alpine | final | digest | `beefdbd` -> `1e42bbe` |
| alpine | stage | digest | `beefdbd` -> `1e42bbe` |

---

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

---

### Configuration

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

🚦 **Automerge**: Enabled.

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

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS44Mi45IiwidXBkYXRlZEluVmVyIjoiMzkuODIuOSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJyZW5vdmF0ZS9jb250YWluZXIiLCJ0eXBlL2RpZ2VzdCJdfQ==-->

containers/apps/nextcloud-imaginary/Dockerfile

@@ -11,7 +11,7 @@ RUN set -ex; \
         vips-poppler; \
     go install github.com/h2non/imaginary@b632dae8cc321452c3f85bcae79c580b1ae1ed84
 
-FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
+FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
 # hadolint ignore=DL3018
 RUN set -ex; \
     apk add --no-cache \

containers/apps/nextcloud-push-notify/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
+FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
 
 SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
 # hadolint ignore=DL3018

containers/apps/traefik/Dockerfile

@@ -1,7 +1,7 @@
 FROM traefik:v3.2.3@sha256:efb87236c8c92599bcd3a67a7a8a55e0f255665f4719722bf398935aa9b92270
 # Above line used by CI to find tags etc
 
-FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d as plugins
+FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a as plugins
 
 # FIXME: Find a way to keep versions up to date
 # -- Use the following prefixes to specify plugins to clone

containers/base/alpine/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
+FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
 
 ARG CONTAINER_NAME
 ARG CONTAINER_VER