chore(deps): bump alpine from 3.21.2 to 3.21.3 in /e2e (#4435)

Bumps alpine from 3.21.2 to 3.21.3.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

e2e/Dockerfile

@@ -16,7 +16,7 @@ COPY . .
 WORKDIR /usr/src/app/e2e
 RUN make e2e-bin
 
-FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099
+FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c
 RUN apk add -U --no-cache \
     ca-certificates \
     bash \