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` |

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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 \