chore(deps): bump golang from `6ad9415` to `c423747` in /e2e (#5423)

Bumps golang from `6ad9415` to `c423747`.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.25.1-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:1.25.1-bookworm@sha256:6ad9415c04f1cdb7888141cb247cabb28fa74fcc597034494c65d5bc783246a0 AS builder
+FROM golang:1.25.1-bookworm@sha256:c423747fbd96fd8f0b1102d947f51f9b266060217478e5f9bf86f145969562ee AS builder
 RUN go install github.com/onsi/ginkgo/v2/ginkgo@v2.1.6
 
 FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1