chore(deps): bump golang from 1.25.4-bookworm to 1.25.5-bookworm in /e2e (#5702)

Bumps golang from 1.25.4-bookworm to 1.25.5-bookworm.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.25.5-bookworm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

e2e/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25.4-bookworm@sha256:e17419604b6d1f9bc245694425f0ec9b1b53685c80850900a376fb10cb0f70cb AS builder
+FROM golang:1.25.5-bookworm@sha256:5117d68695f57faa6c2b3a49a6f3187ec1f66c75d5b080e4360bfe4c1ada398c AS builder
 RUN go install github.com/onsi/ginkgo/v2/ginkgo@v2.1.6
 
 FROM alpine:3.22.2@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412