chore(deps): bump golang from 1.25.7-bookworm to 1.26.0-bookworm

Bumps golang from 1.25.7-bookworm to 1.26.0-bookworm.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.26.0-bookworm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -5,7 +5,7 @@
 # Must override builder-base, not builder, since the latter is referred to later in the file and so must not be
 # directly replaced. See here, and note that "stage" parameter mentioned there has been renamed to
 # "build-context": https://github.com/docker/buildx/pull/904#issuecomment-1005871838
-FROM golang:1.25.7-bookworm@sha256:38342f3e7a504bf1efad858c18e771f84b66dc0b363add7a57c9a0bbb6cf7b12 AS builder-base
+FROM golang:1.26.0-bookworm@sha256:eae3cdfa040d0786510a5959d36a836978724d03b34a166ba2e0e198baac9196 AS builder-base
 FROM --platform=$BUILDPLATFORM builder-base AS builder
 
 ARG TARGETARCH

Dockerfile.windows

@@ -5,7 +5,7 @@
 # Must override builder-base, not builder, since the latter is referred to later in the file and so must not be
 # directly replaced. See here, and note that "stage" parameter mentioned there has been renamed to
 # "build-context": https://github.com/docker/buildx/pull/904#issuecomment-1005871838
-FROM --platform=linux/$BUILDARCH golang:1.25.7-bookworm@sha256:38342f3e7a504bf1efad858c18e771f84b66dc0b363add7a57c9a0bbb6cf7b12 AS builder-base
+FROM --platform=linux/$BUILDARCH golang:1.26.0-bookworm@sha256:eae3cdfa040d0786510a5959d36a836978724d03b34a166ba2e0e198baac9196 AS builder-base
 FROM --platform=linux/$BUILDARCH builder-base AS builder
 
 ARG TARGETARCH