chore(deps): bump golang from 1.26.6-bookworm to 1.27.0-bookworm in /e2e (#6866)

Bumps golang from 1.26.6-bookworm to 1.27.0-bookworm.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.27.0-bookworm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

e2e/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26.6-bookworm@sha256:116d58cbd88c1297624acc6e967a060012422bacf9930927e23fb719189c6f36 AS builder
+FROM golang:1.27.0-bookworm@sha256:484ef6066fa69acb059fdfeda7ba2b8f7391f2ef6abc6f9b8411e669ebd56466 AS builder
 RUN go install github.com/onsi/ginkgo/v2/ginkgo@v2.1.6
 
 FROM alpine:3.24.1@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b