build(deps): bump hashicorp/setup-terraform from 3.1.2 to 4.0.0 (#3404)

Bumps [hashicorp/setup-terraform](https://github.com/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@v3.1.2...5e8dbf3)

---
updated-dependencies:
- dependency-name: hashicorp/setup-terraform
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/dotcom-acceptance-tests.yaml

@@ -82,7 +82,7 @@ jobs:
           cache: true
 
       - name: Setup Terraform
-        uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v3.1.2
+        uses: hashicorp/setup-terraform@5e8dbf3c6d9deaf4193ca7a8fb23f2ac83bb6c85 # v4.0.0
         with:
           terraform_version: latest
           terraform_wrapper: false

.github/workflows/ghes-acceptance-tests.yaml

@@ -93,7 +93,7 @@ jobs:
           cache: true
 
       - name: Setup Terraform
-        uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v3.1.2
+        uses: hashicorp/setup-terraform@5e8dbf3c6d9deaf4193ca7a8fb23f2ac83bb6c85 # v4.0.0
         with:
           terraform_version: latest
           terraform_wrapper: false