Bump the actions-all-dependencies group across 1 directory with 4 updates

Bumps the actions-all-dependencies group with 4 updates in the / directory: [hashicorp/setup-terraform](https://github.com/hashicorp/setup-terraform), [zgosalvez/github-actions-ensure-sha-pinned-actions](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions), [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) and [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `hashicorp/setup-terraform` from 3.1.2 to 4.0.0
- [Release notes](https://github.com/hashicorp/setup-terraform/releases)
- [Changelog](https://github.com/hashicorp/setup-terraform/blob/main/CHANGELOG.md)
- [Commits](hashicorp/setup-terraform@b9cd54a...5e8dbf3)

Updates `zgosalvez/github-actions-ensure-sha-pinned-actions` from 4.0.1 to 5.0.1
- [Release notes](https://github.com/zgosalvez/github-actions-ensure-sha-pinned-actions/releases)
- [Commits](zgosalvez/github-actions-ensure-sha-pinned-actions@6124774...70c4af2)

Updates `docker/setup-buildx-action` from 3.12.0 to 4.0.0
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@8d2750c...4d04d5d)

Updates `docker/build-push-action` from 6.18.0 to 7.0.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@2634353...d08e5c3)

---
updated-dependencies:
- dependency-name: hashicorp/setup-terraform
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-all-dependencies
- dependency-name: zgosalvez/github-actions-ensure-sha-pinned-actions
  dependency-version: 5.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-all-dependencies
- dependency-name: docker/setup-buildx-action
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-all-dependencies
- dependency-name: docker/build-push-action
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-all-dependencies
...

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

Author: dependabot[bot]

.github/workflows/pre-commit.yml

@@ -23,7 +23,7 @@ jobs:
           fetch-depth: 0
 
       - name: 🏗️ Set Up Terraform
-        uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v3.1.2
+        uses: hashicorp/setup-terraform@5e8dbf3c6d9deaf4193ca7a8fb23f2ac83bb6c85 # v4.0.0
 
       - name: 🏗️ Install Pre-commit
         run: python -m pip install pre-commit

.github/workflows/require-pinned-github-actions.yml

@@ -14,6 +14,6 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Ensure SHA pinned actions
-        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@6124774845927d14c601359ab8138699fa5b70c3 # v4.0.1
+        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@70c4af2ed5282c51ba40566d026d6647852ffa3e # v5.0.1
         with:
           allowlist: alphagov/forms-deploy

.github/workflows/reusable-build-image.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-24.04-arm
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
 
       - name: Build
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           push: false
           cache-from: type=gha