chore(deps): bump alpine from 3.23.3 to 3.23.4 in /e2e (#6261)

Bumps alpine from 3.23.3 to 3.23.4.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.23.4
  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

@@ -1,7 +1,7 @@
 FROM golang:1.26.2-bookworm@sha256:4f4ab2c90005e7e63cb631f0b4427f05422f241622ee3ec4727cc5febbf83e34 AS builder
 RUN go install github.com/onsi/ginkgo/v2/ginkgo@v2.1.6
 
-FROM alpine:3.23.3@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659
+FROM alpine:3.23.4@sha256:5b10f432ef3da1b8d4c7eb6c487f2f5a8f096bc91145e68878dd4a5019afde11
 RUN apk add -U --no-cache \
     ca-certificates \
     bash \